Find: `7.75-:0.25`

Find: 0.5-:0.25

Find: 3.25-:0.5

Find : 0.7-:10

Find: 30.94-:0.7

Find the sum in each of the following:(e) 0.75+10.425+2

Find: (v) 0.05xx7

Find: 75% of 1kg

Find : (ii) 0.1xx51.7

A current of 5.0 A is passed through a 100L aqueous solution of sodium soccinate for 4.0h . The gases produced at anode are collected separately at 25^(@)C and 1.0 atm pressure. Find the volume of gases. Also find the pH of solution at the end of electrylysis . ( Assume that at the start of electrolysis, pH of solution is 7.0 at 25^(@)C)