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Use the Henderson Hasselbalch equations

Use the Henderson Hasselbalch equations to solve for the Ka of the acid.Solution [HX]=0.200M and [NaX]=0.200M. They both have a
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2. asked by Martha
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What is the pH of a 2.62 x 10^-1 HCN solution? The pKa for HCN = 9.212I don't know whether to use the Henderson Hasselbalch
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2. asked by Michael
3. 578 views
You have a solution containing 1 mol each of two unknown amino acids in a mixture at pH6.5 (pKa=6.0). What would be the pH if
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2. asked by Jamie
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If the same volume (130-mL) of the buffer were 0.265 M in NH3 and 0.400 M in NH4Br, what mass of HCl could be handled before the
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2. asked by Kyle
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If the same volume (130-mL) of the buffer were 0.265 M in NH3 and 0.400 M in NH4Br, what mass of HCl could be handled before the
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2. asked by Kyle
3. 590 views
calculate the pH in a solution prepared by dissolving .10 mol of solid NH4Cl in .500 L of .40 M NH3. Assuming no volume change.
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2. asked by Anisha
3. 743 views
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 0.140M in propanoic acid and 0.120M in
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2. asked by Anonymous
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anyone know how to do this and which choice is correct?thank you so much in advance.Use the Henderson-Hasselbalch equation to
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2. asked by anna
3. 485 views
The pH of a solution prepared by mixing 55.0 mL of 0.183 M KOH and 10.0 mL of 0.145 M HC2H3O2 is ________.the answer is 13.122
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2. asked by Lubna
3. 4,817 views
The question is: Calculate the pH of a solution that results from 50.0 ml of 0.15mol/L HCOOH with 75.0ml of 0.13mol/L HCOONa.I
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2. asked by Manika
3. 470 views