Calculate the molecular masses of
Cl₂, CH4, C2h4, CH3OH, NH₃
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Explanation:
Molecular mass of Cl2= 2 x Atomic mass of Cl
= 2 x 35.5
= 71 u
Molecular mass of CH4= Atomic mass of C + 4 x Atomic mass of H
= 12 + 4 x 1
= 16 u
Molecular mass of C2H4= 2 x Atomic mass of C + 4 x Atomic mass of H
= 2 x 12 + 4 x 1
= 28 u
Molecular mass of CH3OH= Atomic mass of N + 3 x Atomic mass of H
= 12+ 4 x 1+16
= 32 u
Molecular mass of NH3= Atomic mass of N + 3 x Atomic mass of H
= 14 + 3 x 1
= 17 u
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