Question

9. In which of the following pairs do 1 g of each have an equal number of molecules?
(1) NO and Co
(2) N, and CO
(3) N, and Co
(4) N,O and Co​

Answer 1

Answer:

Since two molecules have an equal number of molecules if they have the same molecular mass, the answer is N2 (14 x 2) and CO (12 x 1 + 16 x 1) .

Explanation:

Hope this helps you!

Please mark this answer as the brainliest!