5. Determine the concentration in mol/L of a solution of 25.0 mL H2SO4 that requires 38.0...
answer (2) 2. Suppose that you used a known concentration (0.8442 M) of Ca(OH)2 to determine the concentration of an unknown HBr solution. If it takes 12.88 mL of the Ca(OH)2 solution to titrate 15.00 mL of the unknown HBr solution, what is the molarity of the HBr? 1. A solid diprotic weak acid, H2A (molecular weight = 128.9 g/mol) is used to standardize a KOH solution. When 0.4228 g of the acid is dissolved in 40.0 mL of water...
16. Suppose 25.0 m L of a solution of H2SO4 is titrated with a 0.050 M KOH solution in the reaction below. If 23.8 mL of the titrant are required to reach the final equivalence point, what is the concentration of the original H2SO4 solution? H2SO4 (aa)+2 KOH (a?) 2 H0 )+SO4 (aa) A. 0.00119 M H2SO4 B. 0.0476 M H2SO4 C. 0.0238 M H2SO4 D. 0.0525 M H2SO4 E. 0.0263 MH SO
25.0 mL of 1.3 mol/L sulfuric acid is reacted with 35.0 mL of 0.67 mol/L sodium hydroxide. The solution warms from 20.0°C to 28.6°C. H2SO4 (aq) + 2NaOH (aq) => Na2SO4 (aq) + 2H20 (aq) What is the enthalpy change of the reaction (in kJ/mol)?
4. Determine the volume in mL of 0.145 mol/L KOH required to titrate 275 mg of benzoic acid to the endpoint.
It requires 38.23 mL of 0.7500 M NaOH solution to completely neutralize 155.6 mL of an aqueous solution of sulfuric acid. What is the concentration (mol/L) of the H2SO4 solution?
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).
20.What is the Ko of the weak base, Te2, if a 0.95 mol/L solution is dissociated 0.192 % ? ( 4 marks) 21. If it takes 50 mL of 0.5 M potassium hydroxide solution, KOH, to completely neutralize 125 mL of sulfuric acid solution, H2SO4, what is the concentration of sulfuric acid? (2 marks) Edite
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 is a 20.0 ml sample of an h2so4 solution of unknown concentration requires 22.26ml of a 0.153 M KOH solution to reach the equivalence point there's no pic
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