Problem: How many mass of potassium chloride, KCl, are needed to make 100.0 mL of a 2.0 M KCl solution?

FREE Expert Solution

We’re being asked to calculate the mass of potassium chloride, KCl in a 100.0 mL of a 2.0 M KCl solution.


Recall that molarity is the ratio of the moles of solute and the volume of solution (in liters)

In other words:


Molarity(M)=moles of soluteLiters of solution


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Problem Details

How many mass of potassium chloride, KCl, are needed to make 100.0 mL of a 2.0 M KCl solution?

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Our tutors have indicated that to solve this problem you will need to apply the Molarity concept. You can view video lessons to learn Molarity. Or if you need more Molarity practice, you can also practice Molarity practice problems.