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O Level Chemistry & IP Chemistry Notes by 10 Year Series Author – Chemistry Specialist

O Level Chemistry & IP Chemistry Notes by 10 Year Series Author - Chemistry Specialist

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Mole Concepts

O Level Chemistry: Mole Calculations – Limiting & Excess Reactants

In the previous blogpost, we have discussed on the concepts surrounding Limiting & Excess Reactants, as well as look into one example.

Now, it is time for you to try out a question on your own.

Quick Check 1:
In the presence of a catalyst and at suitable temperature, 200cm3 of sulfur dioxide was reacted with 200cm3 of oxygen to form a gaseous product, sulfur trioxide. What is the total volume of gases remaining in the reaction vessel after the reaction????? (2 marks)

Clue: You need to write a balanced chemical equation first!

PS: Do write down your answer in the comment section below.? Showing of working is even better for your learning purpose.

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