135. Задачка по химии №013 554

73. How many grams of KOH must be dissolved in 370 ml of 0.02 M KH2Cit to obtain a solution with a pH of 4.5. Answer: (Calculations show that by adding alkali to a KH_2 Cit salt solution, pH cannot be reduced to 4.5)

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.