How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M HNO3 ? The concentrated acid is 70 % HNO3.

How many grams of concentrated nitric acid solution should be used to

1.	How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M HNO3 ? The concentrated acid is 70 % HNO3.
A.	45.0 g conc. HNO3
B.	90.0 g conc. HNO3
C.	70.0 conc. HNO3
D.	54.0 g conc. HNO3
Answer» B. 90.0 g conc. HNO3