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Question

If 100 ml of 1.0M NaOH solution is diluted to 1 dm3, the molarity of the resulting solution is:

A
1.0M of NaOH
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B
0.1M of NaOH
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C
10.0M of NaOH
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D
0.05M of NaOH
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Solution

The correct option is A 0.1M of NaOH

We know that M1V1=M2V2

Here, M1=1.0 M NaOH

V1=100 mL

M2=?

V2=1 dm3=1000cm3=1000mL

M2=M1V1V2=1×1001000=0.1 M


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