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What is the Maximum percentage strength of oleum sample

What is the Maximum percentage strength of oleum sample

Grade:12

2 Answers

Vikas TU
14149 Points
6 years ago
Oleum, is generally to be found as 118% as the maximum sterngth of the Oleum sample
and is also called H2SO4 concentration soln.
The basic formulae and most used is: => SO3.xH2O
Raj Surya
13 Points
5 years ago
Percentage oleum is mass of free so3 present in 100 grams of oleum.
Therfore the maximum is 100 grams of free so3.Now the reaction:
SO3 + H2O ->h2so4
So for 80g of SO3 we need 18g of water
Hence for 100g of SO3 we need 22.5 g of water.
Therefore the maximum percentage of oleum is 100+22.5=122.5%
 
So for 80g

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