What is the mass of oxygen in 8 moles of carbon dioxide?

1 Answer
Jun 22, 2016

Answer:

Since carbon has an atomic mass of 12 and oxygen 16, the molecular mass of #CO_2# is 44.

Explanation:

This means that the mass of 1 mole of #CO_2# is #44g#, of which #2xx16=32g# is #O#

So #8molCO_2harr8xx32=256gO#