Question

a compound has 40% of carbon by weight if the molecular weight of compound is 90 the number of carbon atoms present in one molecule of the compound are

Answer 1

Answer:

Actual weight of carbon atoms :

40% of 90 = 0.4×90 = 36 g per molecule.

So number of carbon atoms :

= weight/molar mass

= 36/12 = 3 carbon atoms per molecule.

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Answer 2

Answer:

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