A) 8.314
B) \[6.02\times {{10}^{23}}\]
C) 0.0821
D) \[1.66\times {{10}^{-19}}\]
E) \[1.62\times {{10}^{-24}}\]
Correct Answer: B
Solution :
Number of molecules in n moles of substance \[=n\times {{N}_{0}}\] \[=n\times 6.023\times {{10}^{23}}\] \[=\frac{N\text{ (}no.\text{ }of\text{ }molecules\text{)}}{n\text{ (}no.\text{ }of\text{ }moles\text{)}}=?\] \[=\frac{n\times 6.023\times {{10}^{23}}}{n}\] \[=6.023\times {{10}^{23}}\]
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