Problem: An aqueous nitric acid solution has a pH of 2.15. What mass of HNO  3 (molar mass = 63.02 g/mol) is present in 20.0 L of this solution? a. 0.14 g b. 0.022 g c. 3.7 g d. 8.9 g e. 6.8 g  

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An aqueous nitric acid solution has a pH of 2.15. What mass of HNO  3 (molar mass = 63.02 g/mol) is present in 20.0 L of this solution?

a. 0.14 g

b. 0.022 g

c. 3.7 g

d. 8.9 g

e. 6.8 g

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