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 .

1. A. 45.0 g conc. HNO3
2. B. 90.0 g conc. HNO3
3. C. 70.0 g conc. HNO3
4. D. 54.0 g conc. HNO3

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