calculate the molar mass of
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C2H2
Molar mass of ethyne ,C2H2 =2 × 12 + 2 × 1
= 26g
S8
Molar mass of sulphur molecular, S8 = 8 × 32
. = 256g
P4
Molar mass of phosphorus molecular ,P4 = 4 × 31
= 124g
HCl
Molar mass of hydrochloride acid, HCl = 1 + 35.5
= 36.5g
HNO3
Molar mass of nitric acid , HNO3 = 1 + 14 +3 × 16
= 63g
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