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Home / Doubts and Solutions/JEE-BASIC/Main/Chemistry

how much water is to be added to 50 ml of 5 N HCl to make it seminormal?
also,what do you mean by seminormal?

Asked by imtiyazmulla68 19th November 2017, 7:37 PM
Answered by Expert
Answer:
Semi normal solution 
A solution having a half concentration or containing half gram equivalent of substance dissolved in one liter of solution is a semi normal solution.
 
straight N subscript 1 straight V subscript 1 equals straight N subscript 2 straight V subscript 2 5 cross times 50 equals space 2.5 cross times straight V subscript 2 straight V subscript 2 space equals 100 space ml
 
So, to make a semi normal solution the total volume must be 100 ml.
Hence, we have to add 50 ml water.
Answered by Expert 20th November 2017, 12:58 PM
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