A) \[25%\]
B) \[60%\]
C) \[75%\]
D) \[85%\]
Correct Answer: C
Solution :
\[N{{a}_{2}}S{{O}_{4}}\,\,\,\,\,\,\,Glucose\] \[{{i}_{1}}\,\times \,{{C}_{1}}\,\,=\,\,{{i}_{2}}\times \,\,{{C}_{2}}\] \[{{i}_{1}}\,\,\times \,\,0.004=1\times 0.01\] \[{{i}_{1}}\,\,=\,\,\frac{10}{4}\,\,=\,\,2.5\] \[\therefore \,\,\,\alpha \,\,=\,\,\frac{i-1}{n-1}\,\,=\,\,\frac{2.5-1}{3-1}\,\,=\,\frac{1.5}{2}\,\,=\,\,0.75\] \[=\text{ }75\,%\]
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