JAMB - Chemistry (2020 - No. 32)
What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?
8.0g
16.0g
36.0g
72.0g
解释
2H\(_2\) + O\(_2\) ⇒ 2H\(_2\)O
From the equation:
4g of Hydrogen produces 36g of water
: 8g of Hydrogen will produce 72g of water