Calculate the molarity of a solution prepared by diluting 200.0 mL of 4.0 M HCl to 500.0 mL of...

Question:

Calculate the molarity of a solution prepared by diluting 200.0 mL of 4.0 M HCl to 500.0 mL of solution.

a. 1.1 M
b. 1.6 M
c. 2.7 M
d. 10. M

Concentration and Molarity:

When concentrations are expressed in terms of molarity, dilution plays a major role. Before and after the dilution, the moles of solute remains unchanged and therefore, the product of molarity-volume is constant.

Answer and Explanation: 1

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We are given the following data:

  • The initial molarity of HCl is 4.00 M.
  • The initial volume of HCl is 200.0 mL.
  • The final volume of HCl is 500 mL.


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Calculating Molarity and Molality Concentration

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Chapter 8 / Lesson 4
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What is molarity? What is molality? Compare molarity vs molality by viewing molality and molarity formulas, how to calculate molarity and molality, and examples.


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