Q.

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

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a

0.0167M

b

0.0833M

c

0.125M                       

d

0.167M                       

answer is C.

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Detailed Solution

M1V1=M2V2

250×0.5=500×M2 M2=0.125 M

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