Question

How many mega coulombs of positive charge are present in 2.0mol of neutral Hydrogen gas ?​

Answer 1

HII SURAH HERE'S YOUR ANSWER:

In every molecule of H2 there are 2 electrons.So total no. of electrons in 1 mole is = 2*6.022*1023 . As charge on 1 e is 1.6*10-19 coulombs. Thus total charge = 2*6.022*1023*1.6*10-19 coulombs=19.2704*104coulombs=19.2704*10-2 mega coulombs.

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Answer 2

Answer:

so the total no. of electrons in 1molecule of H2 =2

" ". ". ". in 1 mole of H2=2 *Avagadro number

now,charge on 2*Avagadro number of electron =2*Avagadro number*1.6*10^-19C

=0.19*10^6C

=0.19 mega coulomb

Explanation:

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