A) 100
B) 200
C) 250
D) 500
Correct Answer: D
Solution :
\[{{N}_{1}}=0.5N\to 10mg\ \text{per}\ mL\] \[{{N}_{2}}=\frac{10\times {{10}^{-3}}gm}{40\times 1}\times 1000\]=0.25N \[{{V}_{1}}=500ml\], \[{{V}_{2}}=?\] \[{{N}_{1}}{{V}_{1}}={{N}_{2}}{{V}_{2}}\]; \[0.5\times 500=0.25\times {{V}_{2}}\] \[{{V}_{2}}=1000mL\] final volume water added = 1000 ? 500 = 500mL.You need to login to perform this action.
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