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Isotopes, Isotones and Isobars

Weight of 1 m...

Question

Weight of 1 mole of chlorine gas will be:

A

gram atomic weight

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B

gram molecular weight

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C

71 gm

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D

35.5 gm

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Solution

The correct options are
A 71 gm
D gram molecular weight
$1$ mole of chlorine gas is $C l_{2} = 2 \times 35.5 g = 71 g = G r a m m o l e c u l a r w e i g h t .$
Gram molecular weight is the mass in grams of the substance numerically equal to its molecular weight ,
For $C l_{2}$ it is $71 g .$

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