What is the final concentration of a solution prepared by diluting 35.0 mL of 12.0 M HCl to a final volume of 1.20 L

Answers

Answer 1

Answer: The final concentration of a solution is 0.350 M

Explanation:

According to the dilution law,

[tex]C_1V_1=C_2V_2[/tex]

where,

[tex]C_1[/tex] = concentration of concentrated acid solution = 12.0 M

[tex]V_1[/tex] = volume of concentrated acid solution = 35.0 ml

[tex]C_2[/tex] = concentration of diluted acid solution= ?

[tex]V_2[/tex] = volume of another acid solution= 1.20 L = 1200 ml

( 1L=1000ml)

Putting in the values:

[tex]12.0\times 35.0=C_2\times 1200[/tex]

[tex]C_2=0.350M[/tex]

The final concentration of a solution prepared by diluting 35.0 mL of 12.0 M HCl to a final volume of 1.20 L is 0.350 M


Related Questions

A rock rolls down a hill. Which form of energy is this an example of?

Chemical
Electrical
Mechanical
Thermal

Answers

Answer:

Mechanical

Explanation:

chemical

Explanation:

I took test 2020

1 point
Which element requires the least amount of energy to remove its valence electron(s)?

barium
chlorine
oxygen
carbon

Answers

With an electronegativity of 0.89, Barium requires the least amount of energy to remove its valence electrons.

Short Answer Questions 18 points

1) What year was Mendeleev born? _______________________________________
2) Where was Mendeleev born? ______________________________________
3) Explain how Mendeleev arranged his periodic table.______________________________________
4) What were the 3 Elements that were missing from Mendeleev’s Periodic Table?
__________________________________________________________________
5) When did Mendeleev die? Exact date ____________________________________
6)Which particles are in the nucleus of an atom? ______________________________

Answers

1) He was born on February 8, 1834

2) He was born in Tobolsk, Russia

3) Mendeleev arranged the elements in order of increasing relative atomic mass.

4) Gallium, germanium, and scandium

5) He died on February 2, 1907

6) Protons (positive charge) and neutrons (neutral charge)

Why do gases diffuse more quickly than liquids?

Choose the correct answer.

A) Liquids can be compressed easily.

B)The particles in gases are not mobile.

C)Liquids are always at lower temperatures than gases.

D)Gas particles move rapidly and have space between them.

Answers

Answer:

D)Gas particles move rapidly and have space between them.

Explanation:

Matter exists in three states namely: solids, liquids and gases. The particles contained in these three states are different from one another. In the gaseous state, the particles are FAR APART from one another i.e. space exists and they move at a very fast rate in contrast to the particles of a liquid, which have less space and move slower.

This rapid movement of gas particles within a less restricted space accounts for the reason why gaseous substances DIFFUSE more quickly than liquids.

What is the relationship between temperature and pressure

Answers

The pressure is given an amount of gas held at constant volume is directly to the temperature, with an increase in temperature the pressure will go up.

Hope this helped;)

Which method of heat transfer allows you to fry an egg in a frying pan on the stove?

Answers

Answer:

Conduction

Explanation:

Answer:

Conduction is correct

Explanation:

1)
At 150 C, what state of matter would water be at?

2)
Which of these three options will turn to a gas at the COLDEST temperature:
Carbon Dioxide, Gold, or Ethanol?

Answers

1. gaseous

2. Carbon Dioxide

What is the best-known feature of sedimentary
rocks?
A. ripple marks
B. fossils
C. graded bedding
D. cross-bedding

Answers

Answer:

option is (b)

Explanation:

please mark me as brilliant

The answers is b because it layers on so it is b

Given the two half-reactions, what must be done in the next step before the reaction can be balanced?
First: upper A u superscript 3 plus right arrow upper A u. Second: upper I superscript minus right arrow Upper I subscript 2.
How many electrons are produced/used in this redox reaction when it is balanced?

2

3

6

Answers

Answer:

Given the two half-reactions, what must be done in the next step before the reaction can be balanced?

Answer: Show the number of electrons being lost or grained.

Explanation:

For a two given half-reactions, before the reaction can be balanced determine the number of electrons being lost or grained.

What is a half-reaction?

A half reaction is either the oxidation or reduction reaction component of a redox reaction.

The half reaction is obtained by considering the change in oxidation states of individual substances involved in the redox reaction.

Thus, for a two given half-reactions, before the reaction can be balanced determine the number of electrons being lost or grained.

Learn more about half reaction here: https://brainly.com/question/2491738

#SPJ2

The periodic table is organized into groups and periods of elements. The characteristics of a certain group of elements are listed below. Which of these elements is in this group?
Characteristics of a group of elements
•is shiny
•is solid at room temperature
•has atoms with two valence electrons
A-silicone
B-lithium
C-strontium
D-aluminum

Answers

Answer:

C:Strontium

Explanation:

Strontium because all the characteristics you described are apart of the alkaline earth metals and strontium is apart of that group.

Gustavo and Beatriz are pushing on a door in opposite
directions. If the door does not move, the forces are
The net force in this scenario would be Answer: balanced and zero

Answers

Answer:

Correct

Explanation:

Balanced forces are always zero!

Answer:

Balanced

Zero

Explanation:

Matter is anything that has mass and takes up space (volume). How does volume change as matter changes state?


A. The density of matter remains the same, only energy of the atoms changes.


B. matter becomes more dense as it moves from solid to gas


C. Matter becomes less dense as it moves from gas to solid state


D. Matter becomes more dense as it moves from gas to solid state

Answers

Answer: D) Matter becomes more dense as it moves from gas to solid state

A gas expands to fill up the container of whatever shape or size. As it cools to a solid, the molecules get closer together and don't move as much (the molecules still will vibrate and move somewhat even in solid form). So effectively the volume of the object shrinks while the amount of mass stays the same. This is why the density increases when going from gas to solid.

which type of rection has the general formuial ab+cd

Answers

Double replacement. It is normally described as AB+CD=AD+CB.

Hope this helps!! (:
ABC-x8 because in 10th grade the formulaic start changing .

The amount of force needed to keep a 10 kg box moving at a constant
speed of 0.4 m/s on frictionless ice is *
ON,
0.04N
40 N
1.4 N

Answers

Answer:

ON

Explanation:

Frictional force is a force that opposes the motion of body. It is because of friction that motion can be controlled and even walking is made possible.

Now, on a frictionless surface, there is no opposition to motion. Therefore, to keep the body moving there is no force required.

If surface lacks friction, motion will continue perpetually without any hinderance.

The density of ethanol, C 2H 5OH, is 0.789 g/mL. How many milliliters of ethanol are needed to produce 25.0 g of CO 2 according to the following chemical equation?

C 2H 5OH( l) + 3 O 2( g) → 2 CO 2( g) + 3 H 2O( l)

Answers

Answer:

11.1mL

Explanation:

The reaction expression is given as:

          C₂H₅OH   + 3O₂ → 2CO₂ +  3H₂O

Given parameters:

density of ethanol  = 0.789g/mL

mass of CO₂ = 25g

Unknown:

Volume of ethanol = ?

Solution:

First find the number of moles of the CO₂ from the given mass;

 Number of moles  = [tex]\frac{mass}{molar mass}[/tex]

 Molar mass of CO₂ = 12 + 2(16) = 44g/mol

Number of moles  = [tex]\frac{25}{44}[/tex]    = 0.57mol

Then;

 Find the number of moles of ethanol used;

     3 moles of CO₂ is produced from 1 mole of ethanol;

    0.57mole of CO₂ will be produced from [tex]\frac{0.57}{3}[/tex]  = 0.19mole of ethanol

Now;

Find the mass of the ethanol from the given mole;

     Mass of ethanol  = number of moles x molar mass

     Molar mass of ethanol  = 2(12) + 5(1) + 16 + 1 = 46g/mol

      Mass of ethanol  = 0.19 x 46 = 8.74g

Then;

  Density is the mass per unit volume of a substance;

       Density  = [tex]\frac{mass}{volume}[/tex]

        Volume  = [tex]\frac{mass}{density}[/tex]  

          Volume  = [tex]\frac{8.74}{0.789}[/tex]   = 11.1mL

Which of the following will increase the volume of a gas

Answers

Answer:

The volume of a gas is directly proportional to its temperature. Avagadro's Law- Gives the relationship between volume and amount of gas in moles when pressure and temperature are held constant. If the amount of gas in a container is increased, the volume increases.

Answer:

Decreasing the pressure applied to the gas.

Explanation:

Ap3x

every spring has an equilibrium position which statement describe a spring at it equilibruim position?

Answers

The elastic potential energy is zero. The net force acting on the spring is zero. Explanation: The equilibrium position of a spring is the position that the spring has when its neither compressed nor stretched - it is also called natural length of the spring.Mar


A neutral atom becomes a positive ion when it

Answers

Answer:

Neutral atoms can be turned into positively charged ions by removing one or more electrons.

Explanation:

If there is an atom that has 9 protons and 9 electrons, removing an electron from the atom will gain a postive charge.

when an electron is loss

a goup of cells that work together to perform a specific function.

Answers

Answer:

Cell Differentiation and Tissue.

Explanation:

tissues are organized communities of cells that work together to carry out a specific function.

Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question.

Which explanation accounts for why carbon monoxide is not a polar molecule?

The electronegativity differences between carbon and oxygen are not very large.

Carbon and oxygen do not form ions.

Carbon is a metal, and oxygen is a nonmetal.

There are no hydrogen atoms in the molecule.

Answers

Answer:

The electronegativity differences between carbon and oxygen are not very large.

Explanation:

Between the atoms of carbon monoxide exists a covalent bond which attaches the carbon to the oxygen.

In this type of bonding, both atoms shares a given number of valence electrons to attain chemical stability.

A substance is polar when there is a distinct charge separation between the species.

For covalent bonds, the electronegativity difference plays in important role in determining the polarity of the compound. When the difference is large, the compound will be polar but when the difference is very small or zero, no polarity will exist.

In between carbon and oxygen of carbon monoxide, the electronegativity difference is very low.

predict how many moles of nh3 would be made if 6.00 moles of h2 were used N2

Answers

Answer:

4 moles

Explanation:

The equation is 3H2 + N2 → 2NH3

so the ratio of moles would be

2:3 or 2/3

so 6*2/3 which is 4

hope this helped.

Answer:

4moles

Explanation:

Given parameters:

Number of moles of H₂ used  = 6moles

   Equation of the reaction:

           N₂  + 3H₂  →   2NH₃

       3 mole of H₂  was used to produce 2 mole of NH₃;

       6 mole of H₂ will produce [tex]\frac{6x2}{3}[/tex]   = 4 moles of NH₃

The number of moles of NH₃ produced is 4moles

Which pattern on the periodic table is correctly predicted below?
Groups determine the number of valance electrons and periods determine the number of energy levels
Groups determine the number of energy levels and periods determine the number of valence electrons
Groups determine the number of protons, and periods determine energy levels
Groups determine the number of neutrons, and periods determine valence
Plzz

Answers

A.
Groups determine the number of valance electrons and periods determine the number of energy levels.

List 5 foods that contain bacteria?

Answers

yogurt, kefir, kombucha, sauerkraut, pickles, miso, tempeh, kimchi, sourdough bread and some cheeses.

A binary molecule consists of how many atoms?
O1
02
3
4

Answers

Answer:

2

Explanation:

BIonary bi means 2

i hope this helps :)

A sample of 87.6 g of carbon is reacted with 136 g of
fluorine gas to produce carbon tetrafluoride. Using
the balanced equation below, predict which is the
limiting reactant and the maximum amount in moles
of carbon tetrafluoride that can be produced.
C +2F2 → CF4
A. fluorine, 1.79 moles
B. carbon, 7.29 moles
C. fluorine, 6.72 moles
D. carbon, 4.63 moles

Answers

Answer:

A. fluorine, 1.79 moles

Explanation:

Given parameters:

Mass of carbon  = 87.7g

Mass of fluorine gas  = 136g

Unknown:

The limiting reactant and the maximum amount of moles of carbon tetrafluoride that can be produced  = ?

Solution:

   Equation of the reaction:

             C    +   2F₂ →   CF₄  

let us find the number of the moles the given species;

  Number of moles = [tex]\frac{mass}{molar mass}[/tex]  

  C;   molar mass = 12;

            Number of moles  = [tex]\frac{87.7}{12}[/tex]   = 7.31moles

 F;  molar mass  = 2(19)  = 38g/mol

             Number of moles  = [tex]\frac{136}{38}[/tex]   = 3.58moles

 So;

   From the give reaction:

          1 mole of C requires 2 moles of F₂

         7.31 moles of C will then require 2 x 7.31 moles of F₂ = 14.62moles

But we have 3.58 moles of the F₂;

  Therefore, the reactant in short supply is F₂ and it is the limiting reactant;

 So;

       2 moles of F₂ will produce  mole of CF₄  

       3.58 moles of F₂ will then produce [tex]\frac{3.58}{2}[/tex]  = 1.79moles of CF₄

What characteristic of life is demonstrated by maintaining a stable pH?

Answers

Answer:

Living Things Maintain Stable Internal Conditions When any living organism gets thrown off balance, its body or cells help it return to normal. In other words, living organisms have the ability to keep a stable internal environment. Maintaining a balance inside the body or cells of organisms is known as homeostasis.

Explanation:

An atom has 8 protons, 8 neutrons and 9 electrons. is thus a cation, anion, or neutral atom?​

Answers

Answer:

It is an Anion because there are more electrons than protons making it negative

Which material is found in asteroids?

Answers

Answer:

Asteroids are made of rock, metals, and other elements. Some even contain water. Asteroids that are mostly stone sometimes are more likely to lose piles of rubble. Asteroids that are mostly iron are more rock-solid.

Explanation:

Answer:

asteriods are made of rocks.   asteroids that are mostly iron are more, well, rock-solid

Explanation:

Explain the humoral theory

Answers

Answer:

The medical philosophy of the ancient Greeks in which the state of health and disease was determined by the four body “humours”—blood, yellow and black bile, and phlegm—and their relationships with the four elemental humours—air, fire, earth and water. Segen's Medical Dictionary.

Explanation:

Metamorphic rocks with a non-foliated texture show metamorphic change that involves what

Answers

Explanation:

well I'm not 100% sure but I studied a little bit with rocks and crystals I've noticed that the hotter the temperature are it does not matter if it is Obsidian the hotter it is the more shinier it will become so the texture of it has to be a right temperature to be able to create a different texture such as a diamond and a diamond has to be compressed so hard that it will turn into diamond this is just an explanation please do not take this as a real answer I hope this help you though

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