1.

The number of molecules in 16 g of methane is ……(a) 3.023 x 1023 (b) 6.023 x 1023 (c) 16 / 6.023 x 1023 (d) 6.023 / 3 x 1023

Answer»

(b) 6.023 x 1023 

Methane: CH4 

Molecular mass 12 + 4 = 16 

16 g of methane contains Avogadro number of molecules 6.023 x 1023 molecules.



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