2.4 Explain how to prepare 150 mL of a 150 mM phosphate buffer solution to model the cytoplasm with pH 6.8. You have water and each of the following ionic forms of phosphoric acid available: You may type or upload your response.

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2.4 Explain how to prepare 150 mL of a 150 mM phosphate buffer solution to model the
cytoplasm with pH 6.8. You have water and each of the following ionic forms of phosphoric acid
available:
You may type or upload your response.
H3PO4
NaH₂PO4
Na₂HPO4
Na3PO4
Molecular Weight
98
120
142
164
pKa
2.2
6.8
12.5
---
Transcribed Image Text:2.4 Explain how to prepare 150 mL of a 150 mM phosphate buffer solution to model the cytoplasm with pH 6.8. You have water and each of the following ionic forms of phosphoric acid available: You may type or upload your response. H3PO4 NaH₂PO4 Na₂HPO4 Na3PO4 Molecular Weight 98 120 142 164 pKa 2.2 6.8 12.5 ---
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