A student is asked to standardize a solution of barium hydroxide. He weighs out 0.989 g...

A student is asked to standardize a solution of barium hydroxide. He weighs out 0.989 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid). It requires 25.0 mL of barium hydroxide to reach the endpoint.

A. What is the molarity of the barium hydroxide solution?

This barium hydroxide solution is then used to titrate an unknown solution of hydroiodic acid.

B. If 18.0 mL of the barium hydroxide solution is required to neutralize 23.6 mL of hydroiodic acid, what is the molarity of the hydroiodic acid solution?

Expert Solution

queen_honey_blossom answered 9 months ago

A student is asked to standardize a solution of barium hydroxide. He weighs out 1.06 g...

A student is asked to standardize a solution of barium hydroxide. He weighs out 1.06 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid). It requires 23.0 mL of barium hydroxide to reach the endpoint. A. What is the molarity of the barium hydroxide solution? =M This barium hydroxide solution is then used to titrate an unknown solution of hydrochloric acid. B. If 20.7 mL of the barium hydroxide solution is required to neutralize 12.8 mL of hydrochloric...

A student is asked to standardize a solution of potassium hydroxide. He weighs out 0.965 g...

A student is asked to standardize a solution of potassium hydroxide. He weighs out 0.965 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid). It requires 25.9 mL of potassium hydroxide to reach the endpoint. A. What is the molarity of the potassium hydroxide solution? _________M This potassium hydroxide solution is then used to titrate an unknown solution of hydrochloric acid. B. If 21.5 mL of the potassium hydroxide solution is required to neutralize 27.7 mL of hydrochloric...

student is asked to standardize a solution of calcium hydroxide. He weighs out 0.993 g potassium...

student is asked to standardize a solution of calcium hydroxide. He weighs out 0.993 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid). It requires 20.1 mL of calcium hydroxide to reach the endpoint. A What is the molarity of the calcium hydroxide solution? This calcium hydroxide solution is then used to titrate an unknown solution of hydroiodic acid. B. If 25.5 mL of the calcium hydroxide solution is required to neutralize 15.0 mL of hydroiodic acid, what...

A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weights out...

A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weights out 305.mg of oxalic acid(H2C2O4), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250.mL of distilled water. The student then titrates the oxalic acid solution with her sodium hydroxide solution. When the titration reaches the equivalence point, the student finds she has used 69.4mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Be...

When a solution of barium hydroxide reacts with a solution of phosphorous acid, the product are...

When a solution of barium hydroxide reacts with a solution of phosphorous acid, the product are water liquid and aqueous solution of barium phosphite. Keeping this order, what are the set of coefficients of the balanced neutralization? Select one: A. 3-2-6-1 B. 3-2-6-2 C. 1-1-1-1 D. 3-2-3-1

a. A student weighs out 9.18 g of CrSO4, transfers it to a 500. mL volumetric...

a. A student weighs out 9.18 g of CrSO4, transfers it to a 500. mL volumetric flask, adds enough water to dissolve the solid and then adds water to the 500 mL mark on the neck of the flask. Calculate the concentration (in molarity units) of chromium(II) sulfate in the resulting solution? ______M b. In the laboratory, a student adds 13.3 g of aluminum acetate to a 125 mL volumetric flask and adds water to the mark on the neck...

For the standardization of their sodium hydroxide solution a pair of students weighed out 0.4607 g...

For the standardization of their sodium hydroxide solution a pair of students weighed out 0.4607 g of KHP (MM 204.22 g/mol). They found that it took 20.26 mL of their NaOH solution to reach the endpoint. What is the concentration of their NaOH solution in M?

What mass (g) of barium iodide is contained in 177mL of a barium iodide solution that...

What mass (g) of barium iodide is contained in 177mL of a barium iodide solution that has an iodide ion concentration of 0.295M?

A student determined their NaOH molarity to be 0.0943 M. This solution was used to standardize...

A student determined their NaOH molarity to be 0.0943 M. This solution was used to standardize 25.00 mL of an HCl solution, requiring 25.73 mL to reach the equivalence point. The HCl solution was then used to determine the weight % of soda ash in 0.5102 g of an unknown sample, requiring 38.77 mL. If the determined NaOH concentration was 5.000% too low (relative error of -5%), how does it change the reported value of weight % soda ash?

1. Find the pH of a 0.030 M barium hydroxide solution. 2. Calculate [H+] at 25oC...

1. Find the pH of a 0.030 M barium hydroxide solution. 2. Calculate [H+] at 25oC for a solution where [OH-] is 1.0 x 10-8 M. 3. In the following reaction, choose the conjugate acid: HNO3(aq) + H2O(l) ---> H3O+(aq) + NO3-(aq)

Question