Chemistry, asked by kaish7898, 1 year ago

The mass percentage of oxygen in Caco3 is

Answers

Answered by sai8545

Explanation:

200 g of calcium carbonate contains oxygen atoms = 200*3*6.022*1023/100. Now, in CaCO3 1 mol CaCO3 contains 3 mol O . Hence, 36.138*10^23 atoms of oxygen are present in 200 g of caco3

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