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If 155 mL of 1.70 M KCl are diluted to 650. mL, what is the molarity of the final solution?

Question:

If 155 mL of 1.70 M KCl are diluted to 650. mL, what is the molarity of the final solution?

Molar Concentration:

The number of moles of a solute present in one liter of a solution is called one molar solution. If we add more water to the solution, the volume of the solution will increase but the number of moles of solute does not change. This is dilute the solution. If the quantity of solute is kept unchanged and the volume of the solution is increased by adding water into the solution, the concentration of the solution will decrease in such a way that the product of molar concentration and volume of the solution remains constant.

Answer and Explanation: 1

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Given

  • The initial volume of the solution is {eq}V_1=155.0 \; \rm{ mL } {/eq}
  • The initial concentration of the solution is {eq}C_1= 1.70 \; \rm{ M...

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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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