Question

Determine the total charge on 75 0
kg of electrons

Answer 1

★★Correct Question:-

✓✓Determine the total charge on 75.0 kg of electrons.

★★Answer:-

$\sf\:-1.33×{10}^{13}C$

★★Solution:-

Number of electrons

$\sf\:(n)=\dfrac{Total\:mass}{Mass\:of\:each \:electron}$

$\sf\:=\dfrac{75.0}{9×{10^{-31}}}$

$\sf\:=\dfrac{25×{10^{31}}}{3}$

Total charge on 75kg of electron

$\sf\:=\dfrac{25}{3}×{10}^{31}×(-1.6×{10}^{-19})$

$\sf\:=-1.33×{10}^{13}C$✔️✔️