
Sidney P. answered 04/23/21
Astronomy, Physics, Chemistry, and Math Tutor
Convert the amount of HNO3 to moles, then adjust by the mole ratio 2:6 from the balanced reaction:
(107g HNO3) * (1 mol HNO3 / 63g HNO3) * (2 mol H2O / 6 mol HNO3) = 0.6 mole H2O.