1. It is observed that a solution B of 2.57 g with molar mass 132.6 g/mol and 34.28 g of A froze at 53.1 degree Celsius temperature while we have solution A the freezing point of pure substance A is 72.0 degree Celsius determine the value of Kf for solution A?
2. Compute how many ml of C2H3NaO2(0.2 M) need to be added to 200 mL of 0.1 M CH3COOH to make a buffer of pH 5 and also find out what would be the total concentration of C2H3O2 be in this (acetate + acetic acid) solution ?