Question

calculate the mass of 2.6 gram atoms of oxygen.

Answer 1

1mole=1gram atom

2.6mol=2.6 gram atom

Answer 2

Answer:

41.6g

1g atom= 1mole

now 1mole O =16g

2.6 mole O=16*2.6

$16 \times 2.6 = 41.6$