Question

Calculate the number of aluminium ions present in 0.051 g of aluminium oxide(Al=27,O=16)​

Answer 1

Answer:

Explanation:

Molar mass =100( app.)

Hence no of mole =0.051/100

= 51 x 10^-5

No of ion= 2x 6.022 x 10^24 x 51 x 10^-5