The solutions A and B are 0.1 and 0.2 mo...

The solutions A and B are 0.1 and 0.2 molar in a substance. If 100 ml of A is mixed with 25 ml of B, and there is no change in volume, then the final molarity is

A

0.15

B

0.18

C

0.2

D

0.12

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