Question

please tell me fast​

Answer 1

Answer:

Option (a) is correct.

Explanation:

Molecular mass is referred as mass of one mol. of any substance with respect to 1/12 of C-12 isotope.

HOPE IT HELPS.

Please mark me as brainliest, I have to open new rank.

Answer 2

Answer:

(d) none of the above

Explanation:

The sum of the atomic masses of all atoms in a molecule, is called molecular mass.

plz mark as brainliest