To 100 ml of a 0.5 M solution, 400 ml of water is added, the final molarity would be
To 100 ml of a 0.5 M solution, 400 ml of water is added, the final molarity would be
A. 0.125
B. 0.1
C. 0.25
D. 0.15
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Correct Answer - B
`M_(1) V_(1) = M_(2) V_(2)`
`M_(2)= (M_(1) V_(1))/V_(2)=(0.5 xx 100)/500 =0.1 M `
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