October 6, 2015

Homework Help: Biochemistry

Posted by Andrew on Sunday, October 11, 2009 at 12:02pm.

A person during a 24 hour period produced 1.40 litres of urine containing phosphate at a total concentration of 0.0440 M, at a pH of 6.00. This urine was made in the kidneys by acidifying the phosphate in the glomerular filtrate, which had a pH of 7.40. How much acid must be added to bring the pH of the glomerular filtrate from 7.40 down to 6.00? Assume a value of 6.80 for the pKa of the phosphate.

I'm really not sure where to start this question... Henderson Hasselbach equation? I also have to determine the acid and the conjugate base in each phosphate pool.

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