How many moles of solute is contained in 1.65 L of 0.125 M solution?

Answer 1

M = molarity = moles solute/liter of solution

0.125 M = 0.125 moles solute/1 liter of solution

0.125 moles solute/1 liter of solution x 1.65 liters of solution = 0.206 moles solute