Question

5. A compound contains 0.5% of S. If the number of
'S' atom present per molecule is 2, then the
molecular mass of the compound is
(1) 1600
(2) 12800
(3) 6400
(4) 3200​

Answer 1

Explanation:

let the molecular mass of the compound be x .

0.5 /100 × x = 2×32 ( 2× because there

are 2 S - atoms)

x = 64×1000/5

= 12800

so the anwer is ( b).

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Answer 2

Answer:

Explanation:

let the molecular mass of the compound be x .

0.5 /100 × x = 2×32 ( 2× because there

are 2 S - atoms)

x = 64×1000/5

= 12800

so the anwer is ( b).