Question

4.
When x molecules are removed from 200 mg of
N20, 2.89 x 10-3 moles of N20 are left. x will be
(1) 1020 molecules
(2) 1010 molecules
(3) 21 molecules
(4) 1021 molecules​

Answer 1

Answer:

option D is the correct answer and when x molecules are removed from 200 mg ofN2O moles of N2O left will be 1021 molecules.