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Molar mass of HNO3?

Correct Answer: 63 g/mol

Explanation:

Calculation of molar mass of HNO3:


Atomic masses of H, N, O are 1, 14, 16 respectively


Now the molar mass of HNO3 is


HNO3 = 1X1 + 1X14 + 3X16


= 1 + 14 + 48


= 63 g/mol or amu.


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