Question

Correct answer will be marked brainliest (proper explanation required )​

Answer 1

Explanation:

molecules molecules present in 12.8 kg of oxygen

= 6.022 x 10^23 x12800= 770 81.6 x10^23 molecules

n for atoms multiply molecules into 2 so the answer will be 154163.2 atoms

Answer 2

HOPE IT HELPS YOU

THANKS.