In vitro experiments are conducted at pH = 7.4 to simulate physiological conditions. A phosphate buffer system is often used. 11ec7385_02af_73c6_9432_b191e3d9e71a_SM1184_11 a. What must be the ratio of the concentrations of HPO24− to H2PO−4 ions? b. What mass of 11ec7385_02af_73c7_9432_d975e11fa6db_SM1184_11 must be added to 500.0 mL of 0.10 M Na2HPO4 (aq) in the preparation of the buffered solution?

Biomedical Engineering: Bridging Medicine and Technology 1st Edition by Veronique Tran,Mark Saltzman

النسخة 1الرقم المعياري الدولي: 9780521840996

النسخة 1الرقم المعياري الدولي: 9780521840996

تمرين 16

In vitro experiments are conducted at pH = 7.4 to simulate physiological conditions. A phosphate buffer system is often used.

a. What must be the ratio of the concentrations of HPO24− to H2PO−4 ions?
b. What mass of

must be added to 500.0 mL of 0.10 M Na2HPO4 (aq) in the preparation of the buffered solution?

التوضيح

موثّق

a. The ratio of the concentrations of t...