WAEC - Chemistry (2019 - No. 11)
How many moles of carbon(iv)oxide contains 16.0g of oxygen?
[ C = 12.0, O = 16.0 ]
0.20 mol
0.25 mol
0.40 mol
0.50 mol
ব্যাখ্যা
1 Mole of carbon(iv)oxide contains 32g of Oxygen
: 0.5 Mole of carbon(iv)oxide contains 16g of Oxygen