1.

The volume of water to be added to 100 mL of 0.5N H_(2)SO_(4) acid solution to get solution of decinormal concentration is :

Answer»

400 mL
450 nL
500 mL
100 mL

Solution :`N_(1)V_(1)=N_(2)V_(2)`
`(0.5 N)xx(100mL)=(0.1 N)xxV_(2)`
`V_(2)=((0.5N)xx(100mL))/((0.1N))=500mL`
Volume of water to be added=(500-100)=400 mL


Discussion

No Comment Found