Question

If a reaction requires 0.185 moles of NaNO3, how many milliliters of 0.453 M NaNO3 are needed?

Answer 1

Molarity is the measure of how many moles has a liter of solution.

It means that it can be used as a conversion factor to find how many liters of solutions are needed.

`0.185mol\cdot(1l)/(0.453mol)=0.41l`

Convert the amount of liters to milliliters:

`0.41l\cdot(1000ml)/(1l)=410ml`

410ml of the solutions are needed for the required amount of NaNO₃.