A compound possesses 8% sulphur by mass.The least molecular mass is
a)200
b)400
c)155
d)355
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Answered by
1
400
The minimum no. of sulphur atom which a molecule can possess is 1.
Mass of 1 sulphur atom =32g
As the compound has 8% sulphur by mass
∴ 8g of sulphur is present in 100g of compound
∴ 32g of sulphur is present in
8
100
×32=400g of compound
Hence, the least molecular mass of the compound is 400 g.
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