You want to determine the amount of water you should add to a 3.50 molar NaCl solution in order to prepare 750 milliliters of a 0.50 molar solution. Which quantity should you keep constant during your calculation? - Moles of solute - Moles of solvent - Moles of solution - Volume of solution

Question

Chemistry

Killian Vargas

9 February, 03:58

You want to determine the amount of water you should add to a 3.50 molar NaCl solution in order to prepare 750 milliliters of a 0.50 molar solution. Which quantity should you keep constant during your calculation? - Moles of solute - Moles of solvent - Moles of solution - Volume of solution

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Answers (1)

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Barrett Rosales · Answer 1

The answer is moles of solute. The concentration equals to the mole number of solutes divides by the volume of water. By diluting to get the new concentration solution you just need to know in this process, the mole number of solute is constant.