scientist is investigating the solubility of two polyatomic ions, oxalate (C2O2−4C2O42−) and arsenate (AsO3−4AsO43−), which are not listed in the table of solubility guidelines. The scientist starts with four solutions made of water-soluble salts. Solution A contains sodium arsenate. Solution B contains ammonium oxalate. Soution C contains silver chlorate. Solution D contains aluminum bromide. Solution Solute
scientist is investigating the solubility of two polyatomic ions, oxalate (C2O2−4C2O42−) and arsenate (AsO3−4AsO43−), which are not listed in the table of solubility guidelines. The scientist starts with four solutions made of water-soluble salts. Solution A contains sodium arsenate. Solution B contains ammonium oxalate. Soution C contains silver chlorate. Solution D contains aluminum bromide. Solution Solute
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter4: Chemical Reactions In Solution
Section: Chapter Questions
Problem 4.121QE
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A scientist is investigating the solubility of two polyatomic ions, oxalate (C2O2−4C2O42−) and arsenate (AsO3−4AsO43−), which are not listed in the table of solubility guidelines.
The scientist starts with four solutions made of water-soluble salts. Solution A contains sodium arsenate. Solution B contains ammonium oxalate. Soution C contains silver chlorate. Solution D contains aluminum bromide.
Solution | Solute | Color of Solution |
---|---|---|
A | Na3AsO4Na3AsO4 | colorless |
B | (NH4)2C2O4(NH4)2C2O4 | colorless |
C | AgClO3AgClO3 | colorless |
D | AlBr3AlBr3 | yellow |
The results of mixing each solution in pairs are shown in the table.
Experiment | Solutions Mixed | Result |
---|---|---|
1 | A + B | no precipitate, colorless solution |
2 | A + C | brown precipitate |
3 | A + D | white precipitate |
4 | B + C | white precipitate |
5 | B + D | white precipitate |
6 | C + D | yellow precipitate |
Identify the formula for each precipitate that forms.
precipitate from A+C:
precipitate from A+D:
precipitate from B+C:
precipitate from B+D:
precipitate from C+D:
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