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81.4 g sample of ethyl alcohol contains ...

81.4 g sample of ethyl alcohol contains 0.002 g of water. The amount of pure ethyl alcohol (to proper number of significant figures) is :

A

81.398 g

B

81.40 g

C

81.4 g

D

81 g

Text Solution

Verified by Experts

The correct Answer is:
C
`81.4 - 0.002 = 81.398 " or " 81.4 `
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