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when I use henderson-hasselbach Ka

question from my previous post answered by DrBob - is this because this acts as a polyprotic acid, or because the ratio in the
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2. asked by HELP
3. 405 views
Calculate the pH of the solution that results from mixing the following reagents. Refer to table 1.mix 0.189 L of 0.019 M
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2. asked by Trixie
3. 1,062 views
What is the pH of a 1.00 L solution of the following buffer0.500 M propanoic acid (HC3H5O2 Ka = 1.30 × 10^−5) / 0.800 M
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2. asked by Anonymous
3. 532 views
Hi, have these sample problems. I used the Henderson-Hasselbach equation to solve them. And got the respective answers but i
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2. asked by Jay
3. 413 views
Hello,I have a question that reads, "What is the pH of a 0.01M (10mM) solution of arginine that has a net charge of -.65?" I
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2. asked by Ashley
3. 1,997 views
Need help with HW question.You have an 11 mM acetate buffer at pH 3.76. What is the concentration (mM) of the acetate ion?
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2. asked by Ronne
3. 371 views
Calculate the pH of a solution made by mixing 60.0 ml of 0.80 M N2H4 (a weak base) with 50.0 ml of 0.50 M HCl. (Kb for N2H4=1.7
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2. asked by Hayley
3. 710 views
calculate the pH of the solution when 100mL of .05M KF is mixed with 200mL of .05M HF; Ka (HF) = 3.467x10^-4. I tried to use the
1. 7 answers
2. asked by Jamie
3. 1,173 views
Sacchirin is a monoprotic acid. If the pH of a 1.50x10^-2M solution of this acid is 5.53, what is the Ka of saccharin?(the
1. 1 answer
2. asked by howie
3. 1,619 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. 938 views