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1) A 0.7502 g sample of impure BaO2(s) was dissolved in acidic solution to produce H2O2 (aq) according to the following reaction given below: BaO:(s) + 2HCI(aq) BaCl2(aq) + H2O2(aq) Then the resulting solution containing H2O2(aq) was titrated against standard KMNO4(aq). In the titration process, the H2O2(aq) was oxidized to O2(g) and the MnO4 was reduced to Mn2+ in acidic medium. The titration required 50.3 mL of 0.025 M KMNO4 solution. What percent of BaO2 was present in the original sample? (BaO2: 169.33 g/mol, Hint: First write and balance the redox reaction).

1) A 0.7502 g sample of impure BaO2(s) was dissolved in acidic solution to produce H2O2 (aq) according to the following reaction given below: BaO:(s) + 2HCI(aq) BaCl2(aq) + H2O2(aq) Then the resulting solution containing H2O2(aq) was titrated against standard KMNO4(aq). In the titration process, the H2O2(aq) was oxidized to O2(g) and the MnO4 was reduced to Mn2+ in acidic medium. The titration required 50.3 mL of 0.025 M KMNO4 solution. What percent of BaO2 was present in the original sample? (BaO2: 169.33 g/mol, Hint: First write and balance the redox reaction).

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter4: Reactions In Aqueous Solution
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1) A 0.7502 g sample of impure BaO2(s) was dissolved in acidic solution to produce H2O2 (aq) according to the following reaction given below: BaO2(s) + 2HCI(aq) BaCl2(aq) + H2O2(aq) Then the resulting solution containing H2O2(aq) was titrated against standard KMnO4(aq). In the titration process, the H2O2(aq) was oxidized to O2(g) and the MnO4 was reduced to Mn2 in acidic medium. The titration required 50.3 mL of 0.025 M KMNO4 solution. What percent of BaO2 was present in the original sample? (BaO2: 169.33 g/mol, Hint: First write and balance the redox reaction).
Transcribed Image Text:1) A 0.7502 g sample of impure BaO2(s) was dissolved in acidic solution to produce H2O2 (aq) according to the following reaction given below: BaO2(s) + 2HCI(aq) BaCl2(aq) + H2O2(aq) Then the resulting solution containing H2O2(aq) was titrated against standard KMnO4(aq). In the titration process, the H2O2(aq) was oxidized to O2(g) and the MnO4 was reduced to Mn2 in acidic medium. The titration required 50.3 mL of 0.025 M KMNO4 solution. What percent of BaO2 was present in the original sample? (BaO2: 169.33 g/mol, Hint: First write and balance the redox reaction).
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