A 0.1098 g sample of copper metal is dissolved in 34 mL of concentrated HNO3 to form Cu2+ ions and then water is added to make a total volume of 209.5 mL. (Calculate the molarity of Cu2+.)

1 answer

moles Cu^2+ = grams/atomic mass.
The M = moles/L soln or moles/0.2095 = ?