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What mass of K2HPO4 must

A volume of 12.47 mL of 0.1080 M NaOH solution was used to titrate a 0.583 g sample of unknown containing K2HPO4.What is the
1. 1 answer
2. asked by lovely
3. 619 views
If you mix 30 mL of 0.05 M K2HPO4 with 24 mL of 0.05 M KH2PO4, what % of the PO4 buffer is in the K2HPO4 form?I'm just not sure
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2. asked by Hailey
3. 174 views
Using stocks of 0.1 M KH2PO4 and 0.1 M K2HPO4 how much 0.1 M K2HPO4 is needed to prepare 20 mL of a buffer solution at pH 7.2.
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2. asked by Ellen
3. 958 views
If you mix 44 mL of 0.05 M K2HPO4 with 24 mL of 0.05 M KH2PO4, what % of the PO4 buffer is in the K2HPO4 form?
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2. asked by anna
3. 129 views
What mass of K2HPO4 must be added to 1 L of .1 M K3PO4 to prepare a buffer solution with a pH of 10.8? Answer in units of grams.
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2. asked by Avery
3. 1,607 views
I'm trying to figure out the formula for one liter of 1M K2HPO4 (Potassium Phosphate Dibasic). I know the amount of K2HPO4 is
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2. asked by JB
3. 453 views
What is the ratio of the molarities of PO3^4- and HPO4^2− ions in a buffer solution having a pH of 13.16?What mass of K3PO4
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2. asked by gabriella
3. 1,419 views
balance H3PO4 plus KOH produce K2HPO4 plus H20 and give the name of it
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2. asked by roxie
3. 465 views
Calculate the pH of the buffer system of 0.20M K2HPO4/0.25M KH2PO4
1. 3 answers
2. asked by Yeah
3. 720 views
How many grams of K2HPO4 are there in a teaspoon? Tablespoon? How do I figure this out?
1. 1 answer
2. asked by Leo
3. 521 views