1.

Total number of electrons in 81 g of Al^(3+) are (Given : at. no. of Al = 13 and at mass = 27 u)

Answer»

`1.806 XX 10^(25)`
`6.02 xx 10^(24)`
`1.22 xx 10^(25)`
`2.347 xx 10^(25)`

ANSWER :A


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