Alcohol, Phenol and EtherHard

Question

100 g sample of methyl alcohol contains 0.002 g of water. The amount of pure methyl alcohol in terms of significant figures is reported as :-

Options

A.99.998
B.99.99 g
C.99g
D.100g

Solution

Amount of pure methyl alcohol = Amount of pure methyl alcohol =
Amount should be represent in three significant figures rounding off 99.998 in three figures after rounding off amount = 100 g

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