Question

13.
Which one of the following pairs has the same mass?
(a) I mole of CO and I mole of N2
(b) 1 mole of CO-and 1 mole of CO2
(c) 1 mole of O2 and 1 mole of N2
(d) I mole of O2 and 1 mole of CO2​

Answer 1

Answer:

(c) 1 mole of O2 and 1 mole of N2

Answer 2

Answer:

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