std 11 gujrati ch 25 swadhyay full solution

The direct current of 1.25A was passed through 200mL of 0.25M Fe_(@)(SO_(4))_(3) solution for a period of 1.1 hour. The resulting solution in cathode chamber was analyzed by titrating against KMnO_(4) solution 25Ml permaganate solution was required to reach the end point. Determine molarity of KMnO_(4) solution.

In decinormal solution, CH_(3)COOH acid is ionised to the extent of 1.3% . If log 1.3 = 0.11, what is the pH of the solution?

a. Write an equilibriu equation for a solution containing CH_(3)COOH and CH_(3)COONa . What effect does CH_(3)COONa have on a solution of CH_(3)COOH ? b. What reagents should be added to a solution to increase i. [CH_(3)COO^(Theta)] ii. [overset(o+)NH_(4)]

What would be the osmotic pressure at 25^@C of an aqueous solution containing 1.95 g of sucrose (C_12 H_22 O_11) present in 150 ml of solution?

Aqueous solution of HNO_(3),CH_(3),CH_(3)COOH , and CH_(3)COOK of identical concentrations are given. The pair (s) of the solution which may form a buffer upon mixing is (are):

Mole fraction of a solute in 2.5 molal aqueous solution is

The mole fraction of solute in 2.5 m aqueous solution is