JAMB - Chemistry (2021 - No. 21)
220g of carbon dioxide contains ----- moles
5
6
3
4
Vysvetlenie
One mole of carbon dioxide molecules has a mass of 44.01 g,
: 5 mole of carbon dioxide molecules has a mass of 220g
One mole of carbon dioxide molecules has a mass of 44.01 g,
: 5 mole of carbon dioxide molecules has a mass of 220g