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

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Mole Concepts

O Level Chemistry: Mole Concepts / Chemical Calculations

A very interesting questions sent in by a local students on Mole Calculations / Mole Concepts / Chemical Calculations:

Try this out and leave your suggested answers in the “Comments” section below this post.

Questions:
A sample of sea-water contains 0.1 g/dm^3 of bromide ions.

(i) What volume of this sea-water produces one mole of bromine molecules?

(ii) What volume of chlorine gas is required to produce 8g of bromine from this sea water?

Suggested Answers:

mole-concepts-question.jpg

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