Question

1. Calculate the molecular masses of H2 , O2 , Cl2, CO2, CH4, C2H6, C2H4, NH3, CH3OH.




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Answer 1

Answer:

Moleculer mass of H

2

=2×Atomic mass of H

=2×1μ=2μ

Moleculer mass of O

2

=2×Atomic mass of O

=2×16μ=32μ

Moleculer mass of Cl

2

=2×Atomic mass of Cl

=2×35.5μ=71μ

Moleculer mass of CO

2

=Atomic mass of C+Atomic mass of O

=(12+32)μ=44μ

Similarly,

Molecular mass of CH

4

12+(4×1)=12+4=16μ

Molecular mass of C

2

H

6

24+6=30μ

Molecular mass of NH

3

14+3=17μ

Molecular mass of CH

3

OH

12+3+16+1=32μ

Explanation:

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Answer 2

Answer:

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