The weight of one molecule of a compound, C60H122, is

A
1.3 x 10^-20 g
B
5.01 x 10^-21 g
C
3.72 x 10²³ g
D
1.4 x 10^-21

Solution:

The mass of 1 mol of the compound $= 60 \times 12 g + 122 \times 1 g = 842 g .$
$∴$ the mass of 1 molecule of the compound $= \frac{842 g}{6 .022 \times 10^{23}} = 1 .398 \times 10^{- 21} g$ .
The correct option is (4)

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The weight of one molecule of a compound, C₆₀H₁₂₂, is

Solution:

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