Question

the totalnumber of elctrons in 1.6 g of ch4

Answer 1

Answer:

9.65×10^23

Explanation:

total electron in 1 molecule of CH4 is 16

therefore in 0.1 mole no. of electron

=16×6.022×10^23×0.1

=9.65×10^23 electrons

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Answer 2

Explanation:

Molecular Mass of CH4 = 12 + 1 × 4 = 16 a.m.u.

16 g = 1 mole

1.6 g = 0.1 mole

1 mole of CH4 has 6.022 × 10^23 molecules

0.1 has 6.022 × 10^22 molecules

1 molecule of CH4 contains (6 + 1 × 4 ) = 10 electrons.

6.022 × 10^22 molecules will contain

= 10 × 6.022 × 10^22

= 6.022 × 10^23 electrons [Answer]