Q.
The weight of a molecule of the compound C60H122 is
2343
202
Some Basic Concepts of Chemistry
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Solution:
Molecular weight of C60H122=12×60+122×1=720+122=842 ∴6×1023 molecule C60H122 has mass =842g ∴1 molecule C60H122 has mass 6×1023842 =140.333×10−23g =1.4×10−21g