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Chemistry
The weight of a molecule of the compound C60 H122 is (a × 10-23) grams. Approximate value o f ‘a’ is
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Q. The weight of a molecule of the compound $C_{60}\, H_{122}$ is $(a \times 10^{-23})$ grams. Approximate value o f $‘a’$ is
Some Basic Concepts of Chemistry
A
$140$
22%
B
$842$
41%
C
$60$
26%
D
$80$
11%
Solution:
Molecular weight of $C_{60}\, H_{122} = 842\, g$
$6.023 \times 10^{23}$ molecules weigh $842\, g$
$1$ molecule weighs $= \frac{842}{6.02 \times 10^{23}} g$