Question

number of moles present in 8 grams of carbon

Answer 1

Answer:

The molar mass of cobalt is 58.93 g/mol. So assuming it forms diatomic molecules, the molar mass of Co2 would be 117.86 g/mol.

Explanation:

HOPE IT HELPS YOU.

Answer 2

Carbon and oxygen have a relative atomic mass of 12 and 16 respectively. Thus carbon dioxide has a relative molecular mass of 44.

Moles = Mass / Molecular mass

0.08g/44gmol−¹

= 0.18mol