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A sample of clay contains 50% silica and...

A sample of clay contains `50%` silica and `10%` water. The sample is partially dried by which it loses 8 gm of water. If the percentage of silica in the partially dried clay is 52, what is the percentage of water is the partially dried clay?

A

`2.0%`

B

`6.4%`

C

`10.4%`

D

`2.4%`

Text Solution

Verified by Experts

The correct Answer is:
B
Let clay be 100x grams originally.
Then, A.T.Q
`(50 x)/(100x - 8) = (50)/(100)` For silica `x = (52)/(25)`. % age of water `= (100x - 8)/(100x - 8) xx 100 = 6.4 %`
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