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  • (i) Calculate the number of electrons which will together weigh one gram.

2.1    (i) Calculate the number of electrons which will together weigh one gram.

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As the mass of one electron we know is 9.11\times10^{-31}kg.

Therefore, 

1g= 10^{-3}kg =\left ( \frac{1}{9.11\times10^{-31}}\right )\times10^{-3}\ electrons

\Rightarrow 1.098\times10^{27\ }\ electrons..

Posted by

Divya Prakash Singh

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