1.

Calculate the relative molecular mass of water (H2O).(b) Calculate the molecular mass of HNO3

Answer»

A-18 ,B-63 I hope it's help

(a) Atomic mass of hydrogen = 1u, oxygen = 16 u Molecular mass of water = 2 × 1+ 1×16 = 18 u(b) The molecular mass of HNO3 = 1 + 14 + 48 = 63



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