CBSE Class 11-science Answered
324g of 20% by mass of Ba(OH)2 solution
Asked by arunparewa2000 | 27 Oct, 2021, 06:59: PM
Expert Answer
The mass of Ba(OH)2 is 342 g.
The molar mass of Ba(OH)2 is 171 gm
Hence, 1 mole of Ba(OH)2 is the molar mass of Ba(OH)2 is 171 gm
So, for 342 g. wil be x
We know 100% by mass is 2moles hence 20% will be x.
As given the molarity of HNO3 is 2M, So, the total moles=
Total acidic excess moles = 2.4 - 0.8 = 1.6
The total volume of Ba(OH)2 is 
The volume of HNO3 is 1200ml
Hence the total volume of Ba(OH)2 = 1200+600 =1800 ml
Answered by Ramandeep | 28 Oct, 2021, 02:50: PM
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