A student is given a 2.002 g sample of unknown acid and is told that it might be butanoic acid, a monoprotic acid (HC4H7O2, equation 1), L-tartaric acid, a diprotic acid (H2C4H4O6, equation 2), or ascorbic acid, a diprotic acid (H2C6H6O6, equation 3). If it requires 39.55 mL of 0.570 M NaOH(aq) to neutralize the unknown acid, what is the identity of the unknown acid? Justify your answer. HC4H7O2(aq) + NaOH(aq) → NaC4H7O2(aq) + H2O(l) (1) H2C4H4O6(aq) + 2NaOH(aq) → Na2C4H4O6(aq) + 2H2O(l) (2) H2C6H6O6(aq) + 2NaOH(aq) → Na2C6H6O6(aq) + 2H2O(l) (3) butanoic acid E. butanoic or ascorbic acid B. L-tartaric acid F. L-tartaric or ascorbic acid C. ascorbic acid G. None of these (A-F) butanoic or L-tartaric acid
A student is given a 2.002 g sample of unknown acid and is told that it might be butanoic acid, a monoprotic acid (HC4H7O2, equation 1), L-tartaric acid, a diprotic acid (H2C4H4O6, equation 2), or ascorbic acid, a diprotic acid (H2C6H6O6, equation 3). If it requires 39.55 mL of 0.570 M NaOH(aq) to neutralize the unknown acid, what is the identity of the unknown acid? Justify your answer. HC4H7O2(aq) + NaOH(aq) → NaC4H7O2(aq) + H2O(l) (1) H2C4H4O6(aq) + 2NaOH(aq) → Na2C4H4O6(aq) + 2H2O(l) (2) H2C6H6O6(aq) + 2NaOH(aq) → Na2C6H6O6(aq) + 2H2O(l) (3) butanoic acid E. butanoic or ascorbic acid B. L-tartaric acid F. L-tartaric or ascorbic acid C. ascorbic acid G. None of these (A-F) butanoic or L-tartaric acid
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter12: Chirality
Section: Chapter Questions
Problem 10CTQ
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- A student is given a 2.002 g sample of unknown acid and is told that it might be butanoic acid, a monoprotic acid (HC4H7O2, equation 1), L-tartaric acid, a diprotic acid (H2C4H4O6, equation 2), or ascorbic acid, a diprotic acid (H2C6H6O6, equation 3). If it requires 39.55 mL of 0.570 M NaOH(aq) to neutralize the unknown acid, what is the identity of the unknown acid? Justify your answer.
HC4H7O2(aq) + NaOH(aq) → NaC4H7O2(aq) + H2O(l) (1) H2C4H4O6(aq) + 2NaOH(aq) → Na2C4H4O6(aq) + 2H2O(l) (2) H2C6H6O6(aq) + 2NaOH(aq) → Na2C6H6O6(aq) + 2H2O(l) (3)
- butanoic acid E. butanoic or ascorbic acid B. L-tartaric acid F. L-tartaric or ascorbic acid C. ascorbic acid G. None of these (A-F)
- butanoic or L-tartaric acid
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