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What is the total charge on 75 kg of el...

What is the total charge on 75 kg of electrons ?

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Number of electrons (n) in 75 kg `=(75" kg")/("mass of an electron")`
`n=(75" kg")/(9.1xx10^(-31)" kg")`
Now, Q = ne `=(75" kg")/(9.1xx10^(-31)" kg")xx1.602xx10^(-19)` coulomb `=-1.33xx10^(13)C`
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