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Question
What is the property of concentrated sulphuric acid (H2SO4) which allows it to be used in the preparation of hydrogen chloride (HCl) and nitric acid (HNO3)?
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Solution 1
Sulphuric acid is, although, weaker then hydrochloric acid hydrochloric acid is more volatile than sulphuric acid. This property makes it useful in the preparation of hydrochloric acid.
Solution 2
Non volatile acid
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