Question

A compound contains 36% carbon, by mass. If
each molecule contains two carbon atoms, the
number of moles of compounds in its 10 g is
(1) 66.67
(2) 0.15
(3) 0.30
(4) 1.5​

Answer 1

Answer:

0.30.......................

Answer 2

Answer

36% carbon i.e

100 gram of the compound ≡36 gram of carbon

From the given data we know that,

1 mole of the compound contains 2 moles of Carbon. 

36 gm of carbon = 1236=3 mole

3 mole of carbon is present in 21×3=23 moles of the compound.

23 mole =M.W. of compound100g 

M.W. =66.67

Moles of compound =M.W.w=66.6710=0.15 mole

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