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Calculate the pH of a buffer solution made dissolving 0.150 moles of sodium dihydrogen phosphate (Na2P04) and 0.100 moles of sodium hydrogen phosphate (Na2HP04)

in enough water to make 0.500 L of solution. Ka = 6.3 x10-8

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Related questions

To simulate the pH of blood, which is 7.4, a buffer solutionmade by dissolving sodium dihydrogen phosphate(Ka = 6.2 x 10

What is the pH of a buffer if 12.2 grams of sodium hydrogen phosphate and 12.2 g of sodium

dihydrogen phosphate are added to 200 ml of distilled water? What is the molarity of phosphate ion in
this buffer?
**How many grams of sodium hydrogen phosphate and sodium dihydrogen phosphate are needed
to make 300 mL of a 0.12 M phosphate buffer with a pH of 7.2.
** How many grams of sodium hydrogen phosphate and sodium dihydrogen phosphate are needed
to make 500 mL of a 0.16 M phosphate buffer with a pH of 7.3.
**How many grams of sodium hydrogen phosphate and sodium dihydrogen phosphate are needed
to make a liter of 0.08 M phosphate buffer with a pH of 6.8.
Calculate the volume of 0.25mol/L sodium dihydrogen phosphate (NaH2PO4) that must be added to 150mL of 0.50mol/L sodium hydrogen phosphate (NaHPO4) to prepare a buffer solution of pH 7.400

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