A) 37.5 ml
B) 12.5 ml
C) 25.0 ml
D) 18.75 ml
Correct Answer: B
Solution :
\[{{N}_{1}}{{V}_{1}}\ =\ {{N}_{2}}{{V}_{2}}\] \[0.15\times 25=0.1{{V}_{2}}\Rightarrow {{V}_{2}}=37.5\,ml\] Water to be added = 37.5 - 25 = 12.5 ml
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