Question

the number of oxygen atoms present in 50g of caco3 ​

Answer 1

Answer:

1 mol of CaCO3, 3 mol of oxygen atoms are present. Hence, in 0.5 mol, we have 1.5 mol of oxygen atoms. 1 mol=6.022*10^23 particle, which, by math, gives us 9.011*10^23 atoms of oxygen in 50g of CaCO3