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A sodium hydrogen carbonate-sodium carbonate buffer is to be prepared with pH of 9.40.
a) What must the [HCO_3^-]/[CO3^2-]
b) How many moles of sodium hydrogen carbonate must be added to a liter of 0.225M Na2HCO3 to give this pH?(assume no volume change)

2007-09-14 10:23:03 · 1 answers · asked by Anonymous in Science & Mathematics Chemistry

1 answers

Gee! You know.... looks like students these days do not care to learn as soon as they get answers to their homework. Why don't you at least try to solve the problem and present you ideas so professionals here can tell you what's right and wrong....and give you advice. But you all students are like asking to someone else to chew your own food... It was supposed that info thecs would speed up the learning process, but.....

2007-09-14 11:36:46 · answer #1 · answered by Manuelon 4 · 0 0

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