A mixture was known to contain both KNO3 and K,SO3. To 0.584 g of the mixture, dissolved in enough water to give 50.00 mL of solution, was added 50.00 mL of 0.260 M HCI (an excess of HCI). The reaction mixture was heated to drive off all of the SO2, and then 25.00 mL of the reaction mixture was titrated with 0.150 M KOH. The titration required 17.54 mL of the KOH solution to reach an end point. What was the percentage by mass of K2SO3 in the original mixture of KNO3 and K2SO3? i % K2SO3 eTextbook and Media Attempts: 0 of 15 used Submit Answer Save for Later

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A mixture was known to contain both KNO3 and K,SO3. To 0.584 g of the mixture, dissolved in enough water to give 50.00 mL of
solution, was added 50.00 mL of 0.260 M HCI (an excess of HCI). The reaction mixture was heated to drive off all of the SO2, and then
25.00 mL of the reaction mixture was titrated with 0.150 M KOH. The titration required 17.54 mL of the KOH solution to reach an end
point. What was the percentage by mass of K2SO3 in the original mixture of KNO3 and K2SO3?
i
% K2SO3
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Attempts: 0 of 15 used
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Transcribed Image Text:A mixture was known to contain both KNO3 and K,SO3. To 0.584 g of the mixture, dissolved in enough water to give 50.00 mL of solution, was added 50.00 mL of 0.260 M HCI (an excess of HCI). The reaction mixture was heated to drive off all of the SO2, and then 25.00 mL of the reaction mixture was titrated with 0.150 M KOH. The titration required 17.54 mL of the KOH solution to reach an end point. What was the percentage by mass of K2SO3 in the original mixture of KNO3 and K2SO3? i % K2SO3 eTextbook and Media Attempts: 0 of 15 used Submit Answer Save for Later étv DEC MacBook Air
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