How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M `HNO_(3)` solution ?

Options

A. 54.0 g conc. `HNO_(3)`
B. 31.5 g conc. `HNO_(3)`
C. 90.0 g conc. `HNO_(3)`
D. 70.0 g conc. `HNO_(3)`

Answer

B