Q- how many coulombs of charge is present on 1-g N-3 ion ?
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2 Answers
1N3- has 3 extra electrons.
So extra charge should appear due to it.
1 atom has 3 electrons
1 mole will have 3 x 6 x 1023 electrons
1 g will have 3 x 6 x 1023/14 electrons ( 14 is gram atomic mass of N)
Since charge on 1 electron is 1.6 x 10-19C, charge on
3 x 6 x 1023/14 electrons will be 3 x 6 x 1023/14 x 1.6 x 10-19 C
Answer on solving is 20571C (app.)
1thank you swordfish
In p. bahadur division by 14 was not done and answer was given wrong