Question

(4) One fourth
47. From 200 mg of CO, when x molecules are removed,
2.89 x 10-3 moles of Co, are left. x will be
(1) 1020 molecules
(2) 1010 molecules
(3) 21 molecules
(4) 1021 molecules
48. If the weight of metal oxide is xg containing y g of
oxygen, the equivalent weight of metal will be​

Answer 1

Answer:

1010molecules i think yahi hai answer