126. Задачка по химии №012 601

IET hemoglobin 6.68. The protein was placed in a buffer solution with a hydrogen ion concentration of 1.5*10-6 mol/l. Determine the direction of movement of hemoglobin molecules during electrophoresis. It is known that the pH in erythrocytes is 7.25. What charge do hemoglobin proteins have at this pH value?

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