Calculate the number of aluminium ions p...

Calculate the number of aluminium ions present in 0.051 g of aluminium oxide . (Hint : The mass of an ion is the same as that of an atom of the same element , Atomic mass of Al = 27 u)

Verified by Experts

`Al_(2)O_(3) = 102 g`
`(12 * 044 xx 10^(23))/(102) xx 0*081`
`= 6 *022 xx 10^(30)` ions

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