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What is the total charge on 75.0 kg of e...

What is the total charge on 75.0 kg of electrons ?

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Number of electron (n) in75 kg `=(75kg)/("massof an electron")`
`:. n= ( 75 kg)/( 9.1 xx 10^(-31) kg)`
Now, `Q = n e = (75kg)/( 9.1 xx 10^(-31) kg ) xx 1.602 xx 10^(-19) ` coulomb `= - 1.33 xx 10^(13)C`
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