NCERT Exercise 6 - Atoms and Molecules
Question: Calculate the molar mass of the following substances: (a) Ethyne, C2H2 (b) Sulphur molecule, S8 (c) Phosphorus molecule, P4 (Atomic mass of P = 31) (d) Hydrochloric acid, HCl (e) Nitric acid, HNO3
Answer: (a) 26 g/mol, (b) 256 g/mol, (c) 124 g/mol, (d) 36.5 g/mol, (e) 63 g/mol
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