In $0.32 g$ of methane, the number of moles is:

0.002

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0.20

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2

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0.02

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Solution

The correct option is A $0.02$
The molecular formula of methane is ${C H}_{4}$ and hence its molecular weight $= 12 + 4 = 16$

Since $16$ gms methane is contained in one molecule.

$∴$ $32$ gms methane is contained in

$= \frac{32}{16}$ $= 0.02$ moles

So, the corret option is $D$

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Similar questions

Calculate hte number of moles of :
(a) $C O_{2}$ which contain 8.00 g of $O_{2}$
(b)methane in 0.80 g of methane.

M g S O_{4} . 7 H_{2} O

(C H_{4})

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