Question

The number of electrons that have a total charge of 965 coulombs is

Answer 1

Answer:

Explanation:

1 electron = 1.6 x 10^-19 C [ Ignore sign ]

? electron = 965 C

? = 965 / 1.6 x 10^-19

= 6 x 10^21

Answer 2

The number of electrons that have a total charge of 965 coulombs is $6.022\times 10^{25}$

Explanation:

Moles of electron = 1 mole

According to mole concept:

1 mole of an atom contains $6.022\times 10^{23}$ number of particles.

We know that:

Charge on 1 electron = $1.6\times 10^{-19}C$

Charge on 1 mole of electrons = $1.6\times 10^{-19}\times 6.022\times 10^{23}=96500C$

96500 Coulomb is present on = $6.022\times 10^{23}$

965 Coulomb is present on = $\frac{6.022\times 10^{23}}{96500}\times 965=6.022\times 10^{21}$

Thus the number of electrons that have a total charge of 965 coulombs is $6.022\times 10^{21}$

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