A) \[400\,c{{m}^{3}}\]
B) \[450\,c{{m}^{3}}\]
C) \[~500\,c{{m}^{3}}\]
D) \[100\,c{{m}^{3}}\]
Correct Answer: A
Solution :
\[{{N}_{1}}{{V}_{1}}={{N}_{2}}{{V}_{2}}\] \[0.5\times 100=0.1\times {{V}_{2}}\] \[{{V}_{2}}=500\,c{{m}^{2}}\] \[\therefore \]Water to be added to \[100\,c{{m}^{3}}\]solution \[=500-100=400\,c{{m}^{3}}\]
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