Question

Number of oxygen molecules present en a moles of caco3​

Answer 1

Answer:

mole of CaCO3 = 50g/100g = 0.5 0.5 mole of CaCO3 contains 1.5 moles of oxygen atoms No. of oxygen atoms = 1.5 × 6.022×1023 = 9.033×1023 atoms Mass of Oxygen atoms = 1.5 × 16 = 24 g

Answer 2

Answer:

their are 3 molecules of oxygen