Question

What is the total number of moles of Ca(NO3)2 needed
to make 7.3 liters of a 5.1 M Ca(NO3)2 solution?
Please help quick!!!!

Answer 1

Explanation:

molarity = no. of moles of solute/solution in litres

5.1M=no. of moles of solute/7.3

5.1×7.3=no. of moles of solute

37.2 mol =no. of moles