State out the reactions and the equilibrium expressions

Reference no: EM13254794

1. Calculate pH When 100.0mL of 0.10M malonic acid is titrated by adding 0.10MNaOH 50mL (point B 1st half equiv. point), 100mL (point C, 1st equiv. point), 150 mL (point D, 2nd half equiv. point), 200 mL (point D, 2nd equiv. point).

Malonic acid =HOOC-CH2-COOH abbreviated H2A 50 100 150 200 vol. of NaOH added (mL) Point B Given that Kal = 1.5 X 10-3and KaZ= 2.0 X 10-6for malonic acid, answer the following questions: A. Write out the reactions and the equilibrium expressions associated with Kaland Kaz. B.

Calculate the pH at:

1) point A (pH =1.94)

2) point B

3) point C

4) point D

5) point E

Reference no: EM13254794

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