Question

calculate gram atoms in 12.8 grams of oxygen atomic mass 16 u

Answer 1

HELLO THERE!

Atomic mass of Oxygen = 16u.

Given mass = 12.8 grams.

Gram atom = Given mass / Atomic mass.

So, Gram atom = 12.8 / 16 = 0.8

THANKS!

Answer 2

given at.mass/gram at. wt = 8