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A compound has 20% of nitrogen by weight...

A compound has `20%` of nitrogen by weight. If one molecule of the compound contains two nitrogen atoms, the molecular weight of the compound is

A

35

B

70

C

140

D

280

Text Solution

Verified by Experts

The correct Answer is:
C
`%N = ("No. of N-atoms" xx "At. Wt of"N)/(GMW "of molecule") xx 100`
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