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An excess oxalic acid, H2C2O4, is added to an aqueous solution of the sample which contains Calcium (Ca). Ammonia (NH3) is then added, which neutralizes the acid and causes essentially all of the calcium in the sample. The reactions are: 2NH3 + H2C2O4 → 2NH4* + C204? Ca2" (aq) + C20,²- (aq) → CaC2O4 (s) From the given reactions, which is/are the precipitate(s)?

An excess oxalic acid, H2C2O4, is added to an aqueous solution of the sample which contains Calcium (Ca). Ammonia (NH3) is then added, which neutralizes the acid and causes essentially all of the calcium in the sample. The reactions are: 2NH3 + H2C2O4 → 2NH4* + C204? Ca2" (aq) + C20,²- (aq) → CaC2O4 (s) From the given reactions, which is/are the precipitate(s)?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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choices:

a. CaC2O4 

b. Ca

c. C2O42- 

d. NH4+ and C2O42- 

An excess oxalic acid, H2C204, is added to an aqueous solution of the sample which contains Calcium (Ca). Ammonia (NH3) is then added, which neutralizes the acid and causes essentially all of the calcium in the sample. The reactions are: 2NH3 + H2C2O4 → 2NH4* + C2042 Ca2* (aq) + C2O4²- (aq) → CaC2O4 (s) From the given reactions, which is/are the precipitate(s)?
Transcribed Image Text:An excess oxalic acid, H2C204, is added to an aqueous solution of the sample which contains Calcium (Ca). Ammonia (NH3) is then added, which neutralizes the acid and causes essentially all of the calcium in the sample. The reactions are: 2NH3 + H2C2O4 → 2NH4* + C2042 Ca2* (aq) + C2O4²- (aq) → CaC2O4 (s) From the given reactions, which is/are the precipitate(s)?
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