Chemistry, asked by affray6paxq3h, 1 year ago

2H2O → 2H2 (g) + O2 (g). If a given experiment results in 2500 cm3 of H2 being produced, what volume of O2 is liberated at the same time under the same conditions of temperature and pressure.

Answers

Answered by StrangerZen
15
Mass of a H2O molecule = 2*1 + 16 = 16+2=18 u
Ratio of mass of hydrogen : oxygen = 1 : 8
This means that amount of oxygen produced us always 8 times more than amount of hydrogen produced in this reaction.
Volume of O2 liberated = 2500*8=20000 cm3
20000cm3= 20000 ml = 20 litres
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