Question

Question #f7c07

Answer 1

Molarity is a comparison of the moles of solute dissolved in a given volume of solution.

This equation is `Molarity = (mol of solute)/ (Liters of Solution)`

If we want to find how many moles of `KNO_3` are necessary to make a solution that is 0.445 M and contains 37.5 mL, we would solve using the equation

`M = (mol)/ L`

M = 0.445 M
mol = ???
L = 37.5 mL or 0.375 L

`M L = mol`

`0.445M (0.0375 L) = x mol`

mol = 0.0167 moles

I hope this was helpful.
SMARTERTEACHER