Question

How many electrons does 5 formula units of amonium sulphate contain ?

Answer 1

Answer:

Total e in SO4-2 ion=50e

moles in 9.6 gm of SO4-2=1/10

(taking M.W of so4-2 approx 96 gm.)

so,mole =given no.of molicele/Na(6*10 23)

so mole =6 into 10 to the power 22

so no of e in 9.6 gm of SO4-2 =3* 10 to the power 24e

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