A) \[14.09\times {{10}^{23}}\]molecules
B) \[3.0115\times {{10}^{23}}\]molecules
C) \[30.12\times {{10}^{23}}\]molecules
D) \[14.09\times {{10}^{-23}}\]molecules
Correct Answer: B
Solution :
Number of molecules of\[MgO\]\[=0.5\times 6.023\times {{10}^{23}}=3.0115\times {{10}^{23}}\]You need to login to perform this action.
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