Asked by Maria
To create a 0.1 M carbonate buffer pH = 10.2. You choose to use a combination of HCO3- / CO32-. This buffer system has pKa = 9.9.
a) Calculate how much you need to weigh in each of the sodium salts, NaHCO3 and Na2CO3, to create 1.0 L carbonate (with total concentration of carbonate of 0.1 M).
b) In the lab you have available a 0.25M hydrogen carbonate (HCO3 - solution) and a 0.50 M carbonate (CO32 - solution). Calculate the volume you need of each of these solutions to make 1.0 L carbonate buffer (0.1 M).
a) Calculate how much you need to weigh in each of the sodium salts, NaHCO3 and Na2CO3, to create 1.0 L carbonate (with total concentration of carbonate of 0.1 M).
b) In the lab you have available a 0.25M hydrogen carbonate (HCO3 - solution) and a 0.50 M carbonate (CO32 - solution). Calculate the volume you need of each of these solutions to make 1.0 L carbonate buffer (0.1 M).
Answers
There are no human answers yet.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.