Question

Calculate the total number of electrons present in one mole of methane​

Answer 1

Answer:

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As we know in 1 molecule of methane, 1 carbon atom and 4 atoms of hydrogen is present.

In carbon there are six electrons and hydrogen consist of one electron each.

So total number of electrons in methane

= 6 + 4

= 10 electrons

By Avogadro’s Law we know that

1 mole of methane contains 6.023×1023 atoms.

So total number of electrons of in 1 mole methane

= 10×6.023×10²³

= 6.023×1024 electrons

So total number of electrons in 1 mole of methane is 6.023×10²⁴ electrons....

Answer 2

Answer:

1 mole of methane (CH4) = 1 mole of C + 4 × 1 mole of H

we know,

1 mole of C = 6 mole of electrons

1 mole of H = 1 mole of electron

so, 1 mole of CH4 = 6 + 4 = 10 mole of electrons

but 1 mole = 6.022 × 10²³

so, 1 mole of CH4 = 10 × 6.022 × 10²³ electrons

= 6.022 × 10²⁴ electrons