Answer:
The molar mass of the chemical substance is equal to the sum of the atomic mass of the individual atoms.
Given
- Atomic mass of H = 1u
- Atomic mass of N = 14 u
- Atomic mass of O = 16u
The molar mass of HNO3 is
(1 × 1) +(1 × 14) + (16×3) = 63 u.
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