1.

100mL of 0.1 M solution of solute A are mixed with 200 mL of 0.1 M solution of solute B. If A and B are non-reacting substances, the molarity of the final solution will be

Answer»

0.3M
0.4M
0.1M
0.15M

Solution :`M_(1) V_(1) + M_(2) V_(2) = M_(3) V_(3)` (MIXTURE)
:. `100 xx 0.1 + 200 xx 0.1 = 300 xx M_(3)` or `M_(3)=0.1`


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