Question

calculate number of molecule of hydrogen amd carbon present in 4 g of methqne​

Answer 1

Answer:

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Answer 2

Answer:

Molecular weight of hydrogen is 2 and in one hydrogen molecule 2 atoms of hydrogen are present. Hence, no. of atoms present in 4g of H

2

=4/2×2Na=4Na (1)

One molecule of methane contains 4 atoms of Hydrogen. Let amount of methane be

′

x

′

g. Hence, no. of atoms present in

′

x

′

g of CH

4

=x/16×4.Na=x/4.Na (2)

Hence, x/4.Na=4Na (from 1 and 2)

x=16g