1.

Calculatr the total number of electron present in 2 mole of ammonia

Answer»

ong>Explanation:

Here firstly we will CALCULATE no.of electrons in one mole NH3 (which means 1 mole N and 3 moles H)

For neutral atom,no.of electrons is equal to atomic number

So ,one mole N contain 7 mole electrons and 3 mole H contain 3×1 mole electrons i.e; one mole NH3 will contain 7+3=10mole electrons

Hence 2 moles of NH3 will contain 2×10 =20 mole electrons



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