Chemist’s Tools: Solubility Rules!!
The following table summarizes the solubility ionic compounds in water formed with these common anions . Use this as a guide to predict products of chemical reactions for double-replacement reactions.
|
Anions
|
Soluble
|
Insoluble
|
| Nitrates, NO3– |
ALL
|
– |
| Acetates, C2H3O2– |
ALL |
– |
| Chlorides, Cl– |
ALL, except … |
AgCl, Hg2Cl2, PbCl2 |
| Sulfates, SO42- |
ALL*, except … |
BaSO4, SrSO4, PbSO4 |
| Salts of group IA |
ALL |
– |
| Salts of ammonium, NH4+ |
ALL |
–
|
| Acids |
ALL |
– |
| Oxides, O2- |
Group IA,
Group IIA (Ca, Sr, Ba) |
ALL |
| Hydroxides, OH– |
Group IA,
Group IIA (Ca*, Sr, Ba) |
ALL |
| Sulfides, S2- |
Group IA, Group IIA, (NH4)2S |
ALL
|
| Phosphates, PO43- |
Group IA, (NH4)3PO4 |
ALL |
| Carbonates, CO32- |
Group IA, (NH4)2CO3 |
ALL |
* Ca(OH)2, CaSO4 are moderately soluble.
|
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Bob Bower SW3-4092
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CHEM 0011 MapleTA unavailable on Friday – Assignment 6 is due Saturday, Feb 27 by 11:59 pm
MapleSoft has announced that they will be performing maintenance on the MapleTA server starting at 6:00 pm this Friday, February 26. Please be aware that, although there will be no visible changes to Maple TA during this maintenance, the Maple TA server may experience service interruptions for up to 5 hours.
As a result, Assignment 6 will be due on Saturday, Feb 27 by 11:59 pm. ... All the answers to the worksheets in preparation for next Thursday's test (Feb 25) are posted on the website.
Go and check your answers and bring your questions to tutorial this week! ... Are you keeping up with doing worksheets and trying practice problems? Remember to keep learning the polyatomic ions until you can name them, right the formulas with their correct charges.
Do the naming worksheet. The answer is in the Scanned Lecture Notes. ... Hi, Class. Are you enjoying your studies? It's been two weeks since school started. Just a summary of what we've done.
1. We finished Unit 2 and started on Unit 3. The lecture notes are posted on the course website under Scanned Lecture Notes.
2. Download the Density worksheet and see if you can solve those problems. The answers are also posted. Make sure you understand the calculations as well as the sig figs on the final answers.
3. Keep doing the Maple TA practice problems. Practice makes perfect!
4. Prelabs 1 and 2 are due this weekend (Sunday).
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