Question

answer plzzzzzzzz the number of oxygen in 0.5 mole of Al2 (CO3)3 is

Answer 1

there are 9 moles of Oxygen in one mole of Al2 (CO3)3 . So in 0.5 moles of the compound, we have 4.5 moles . and no. of oxygen atoms =4.5×6.022×10^23= 27.0990 ×10^23= 2.7099×10^24 . Hope it helps you...