Question

Calculate the molecular masses of  CH4, C2H2,NH3, CH3OH.

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Answer 1

Answer:

• Molecular mass of CH4 = 16 u

Molecular mass of C2H6= 2 x Atomic mass of C + 6 x Atomic mass of H

Molecular mass of C2H6= 2 x Atomic mass of C + 6 x Atomic mass of H= 2 x 12 + 6 x 1

• Molecular mass of NH3 = 17 u

Molecular mass of CH3OH= Atomic mass of C + 4 x Atomic mass of H + 1 x Atomic mass of

Molecular mass of CH3OH= Atomic mass of C + 4 x Atomic mass of H + 1 x Atomic mass of= 12 + 4 x 1 + 16

• Molecular mass of CH3OH = 32 u

Explanation:

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