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CHEMISTRY

JAMB 2001 - Question 4

Chemistry 2001 JAMB Past Questions - Question 4: What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?

Choose the correct answers from the options given.

What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?

A: 36.Og

B: 8.0g

C: 72.0g

D: 16.0g

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Correct Answer

Explanation

2H2 +O2 2H2OFrom the equation,4g of Hydrogen produces 36g of watertherefore 8g of Hydrogen will produce 36/4 x8= 72g of H2o