Question

. (i) A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of boron

and 0.144 g of oxygen. Calculate the percentage composition of the compound by weight.

(ii) Convert into mole. (a) 20 g of water (b) 22 g of carbon dioxide.​

Answer 1

Explanation:

hii .mate heres the answer

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