A Concentrated Nitric Acid Solution Has a Density of 1

Multiple Choice

A concentrated nitric acid solution has a density of 1.41 g/mL at 25°C and is 15.8 M.What is the percent by mass of HNO_{3 in the solution?}

A) 70.6% HNO_{3 by mass}
B) 1.12% HNO_{3 by mass}
C) 0.895% HNO_{3 by mass}
D) 1.77% HNO_{3 by mass}
E) 44.7% HNO_{3 by mass}