Question

Difference between mass of molecule and molecular mass

Answer 1

Answer:

Molar mass and molecular weight are often confused, but their values are very different. Molar mass is the mass of one mole of a substance, while molecular weight is the mass of one molecule of a substance. One mole is the number of particles, such as atoms, molecules, ions or electrons, in a substance

Answer 2

Answer:

if you are asking for 11th and 12th then

Explanation:

molecular mass is not accurate , it is calculated/assumed

ut

if they gave you/ mass of molecule  then that is aacurate/closest to its actual mass