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Determine the mass by mass percentage co...

Determine the mass by mass percentage concentration of a 100 g salt solution which contains 20 g salt.

A

` 2xx10^(-6) M`

B

` 1xx10^(-4) M`

C

` 1.6 xx10^(-4) M`

D

` 4xx10^(-10) M`

Text Solution

Verified by Experts

The correct Answer is:
B
` MX_2 hArr M + 2X `
` KsP =4S^(3) =4 xx 10 ^(-12) rArr S =10 ^(-4) = [M^(+2)]`
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