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Concentrated sulphuric acid indicates 98% by mass why not 100%??

Concentrated sulphuric acid indicates 98% by mass why not 100%??

Grade:12th pass

1 Answers

Arun
25750 Points
6 years ago
Although nearly 99% sulfuric acid can be made, the subsequent loss of SO3 at the boiling point brings the concentration to 98.3% acid. The 98% grade is more stable in storage, and is the usual form of what is described as "concentrated sulfuric acid".

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