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To measure the amount of citric acid (C,H,0(CO,H),) in a certain candy, an analytical chemist dissolves a 23.00 g sample of the candy in 150. mL of water and titrates this solution to the endpoint with 39.4 mL of 0.260M sodium hydroxide (NaOH) solution. The balanced chemical equation for the reaction is: C,H,0(CO,H), (aq) + 3OH (aq) → C;H,0(CO,), (aq) + 3H,0(1) O precipitation What kind of reaction is this? acid-base O redox If you said this was a precipitation reaction, enter the chemical formula of the precipitate. If you said this was an acid-base reaction, enter the chemical formula of the reactant that is acting as the base. If you said this was a redox reaction, enter the chemical symbol of the element that is oxidized. Calculate the mass percent of C,H,O(Co,H)¸ in the sample. Be sure your D% 3 answer has the correct number of significant digits.

To measure the amount of citric acid (C,H,0(CO,H),) in a certain candy, an analytical chemist dissolves a 23.00 g sample of the candy in 150. mL of water and titrates this solution to the endpoint with 39.4 mL of 0.260M sodium hydroxide (NaOH) solution. The balanced chemical equation for the reaction is: C,H,0(CO,H), (aq) + 3OH (aq) → C;H,0(CO,), (aq) + 3H,0(1) O precipitation What kind of reaction is this? acid-base O redox If you said this was a precipitation reaction, enter the chemical formula of the precipitate. If you said this was an acid-base reaction, enter the chemical formula of the reactant that is acting as the base. If you said this was a redox reaction, enter the chemical symbol of the element that is oxidized. Calculate the mass percent of C,H,O(Co,H)¸ in the sample. Be sure your D% 3 answer has the correct number of significant digits.

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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To measure the amount of citric acid in a certain candy, an analytical chemist dissolves a 23.00 g sample of the candy in 150. mL of water and titrates this solution to the endpoint with 39.4 mL of 0.260M sodium hydroxide (NaOH) solution. The balanced chemical equation for the reaction is: C;H,0(CO,H),(aq) + 30H¯(ag) → C;H,0(Co.) (ag) + 3H,0 (1) O precipitation What kind of reaction is this? O acid-base O redox If you said this was a precipitation reaction, enter the chemical formula of the precipitate. If you said this wa reactant that is acting as the base. an acid-base reaction, the chemical formula of the If you said this was a redox reaction, enter the chemical symbol of the element that is oxidized. Calculate the mass percent of C,H,O(CO,H), in the sample. Be sure your answer has the correct number of significant digits.
Transcribed Image Text:To measure the amount of citric acid in a certain candy, an analytical chemist dissolves a 23.00 g sample of the candy in 150. mL of water and titrates this solution to the endpoint with 39.4 mL of 0.260M sodium hydroxide (NaOH) solution. The balanced chemical equation for the reaction is: C;H,0(CO,H),(aq) + 30H¯(ag) → C;H,0(Co.) (ag) + 3H,0 (1) O precipitation What kind of reaction is this? O acid-base O redox If you said this was a precipitation reaction, enter the chemical formula of the precipitate. If you said this wa reactant that is acting as the base. an acid-base reaction, the chemical formula of the If you said this was a redox reaction, enter the chemical symbol of the element that is oxidized. Calculate the mass percent of C,H,O(CO,H), in the sample. Be sure your answer has the correct number of significant digits.
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