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Question

If 250 ml of 0.25 M NaCl solution is diluted with water to a volume of 500 ml, the new concentration of solution is:

A
0.167M
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B
0.0167M
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C
0.125M
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D
0.0833M
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Solution

The correct option is D 0.125M
We have,

M1V1=M2V2

250×0.25=M2×500

M2=0.125M

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