Question

What is relative molecular mass...
Of
1.Water
2. Nitric Acid ​

Answer 1

water-18.015g

nitric acid-63U

Answer 2

Answer:

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Explanation:

(a) Atomic mass of hydrogen = 1u, oxygen = 16 u

So the molecular mass of water, which contains two atoms of hydrogen and one atom of oxygen is = 2 × 1+ 1×16 = 18 u

(b) The molecular mass of HNO3 = the atomic mass of H + the atomic mass of N+ 3 × the atomic mass of O

= 1 + 14 + 48 = 63 u