To reach the second endpoint for the titration of 10.00 ml of a thiosulfuric acid unknown...
Calculate the concentration of an unknown acid if 23.50 mL of 0.250 M NaOH was needed to reach the endpoint for the titration of 15.00 mL of the unknown diprotic acid. H2A(aq) + 2 NaOH(aq) → Na2A(aq) + 2 H2O(1) Select one: 0 a. 0.160 M O b. 0.783 M O C. 0.392 M O d. 0.319 M O e. 0.196 M
Answer the following questions for titration of 10.00 mL of a hypochlorous acid solution with a 0.09975 M sodium hydroxide. 1. If 20.05 mL of the sodium hydroxide solution were required to reach the endpoint in the titration, what was the original concentration of the hypochlorous acid solution? 2. What was the initial pH of the hypochlorous acid solution (before any sodium hydroxide was added)? 3. What was the pH in the titration after addition of 4.01 mL of NaOH?...
Titration of 25.00 mL of an unknown diprotic acid solution required 15.09 mL of 0.10 M NaOH to reach the first equivalence point and 29.82 mL of 0.10 M NaOH to reach the second equivalence point. What is the concentration of the diprotic acid solution?
6. Titration of a 50.00 mL solution of an unknown diprotic acid required 35.95 mL of 0.1367 M sodium hydroxide to reach the second equivalence point. What was the initial concentration of the unknown acid . A 0.8752 g sample of unknown containing potassium hydrogen phthalate (KHP) required 28.23 mL of a 0.1037 M NaOH for neutralizatjon. What is the mass percentage of KHP in the sample?
The titration of 10.00 mL of an HCl solution of unknown concentration requires 50.75 mL of 0.0621 M KOH solution to reach equivalence. What is the concentration of the HCl solution in M (mol/L).
The total acid concentration (nitric + nitrous acid) of the 10.0 mL solution of “acid rain” is determined by an acid-base titration method. You add 5.00 mL of the titrant sodium hydroxide with a concentration of 0.0114 M to reach the endpoint. .Write one net ionic equation for the acid-base reaction occurring during titration (Think in context of what chemical species in solution are reacting with each other to get a color change at endpoint) .
3. What volume of 0.025 M NaOH will be required to reach the endpoint in a titration with 25.00 ml of 0.10 M HCI? Show your work with units and correct significant figures. Circle your answer. 4. Calculate the molarity of a sodium hydroxide solution if 25.00 mL 0.100 M maleic acid requires 22.10 ml of NaOH to reach the endpoint. Show your work with units and correct significant figures. Circle your answer. 5. The following data were collected in...
The titration of 10.00 mL of an HCl solution of unknown concentration requires 50.75 ml of 0.0621 M KOH solution to reach equivalence. What is the concentration of the HCI solution in M (mol/L). give your answer to two decimal places
The titration of 10.00 mL of an HCl solution of unknown concentration requires 507.5 mL of 0.0621 M KOH solution to reach equivalence. What is the concentration of the HCI solution in M (mol/L). give your answer to two decimal places I
50.00 mL of unknown calcium hydroxide solution is titrated with 0.300 M standard nitric acid solution. If 42.21 mL of the standard acid so lution is required to reach a phenolphthalein endpoint, what is the molarity of the unknown calcium hydroxide solution? (Hint: write the balanced formula unit equation.)