Question

the number of moles of baco3 contain 1.5 mole of oxygen atom is

Answer 1

1 mole of Baco3 = 3 mol of oxygen
X mole of Baco3 = 1.5 mole of oxygen
x 1.5/ 3 = 0.5
: Half mole of Baco3 into 1.5 mole of oxygen