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Chemistry Exam 2 - Polyatomic Ions etc
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| A | B |
|---|
| IO3 (1-) | iodate |
| IO4 (1-) | perodate |
| IO2 (1-) | iodite |
| IO (1-) | hypoiodite |
| C2O4 (2-) | oxalate |
| CH3CO2 (1-) | acetate, also C2H3O2 (1-) and CH3CoO (1-) |
| CN (1-) | cyanide |
| ClO (1-) | hypochlorite |
| ClO2 (1-) | chlorite |
| ClO3 (1-) | chlorate |
| ClO4 (1-) | perchlorate |
| NH4 (1+) | ammonium |
| PO4 (3-) | phosphate |
| H2PO4 (1-) | dihydrogen phosphate |
| HCO3 (1-) | hydrogen carbonate |
| HSO4 (1-) | hydrogen sulfate |
| OH (1-) | hydroxide |
| MnO4 (1-) | permanganate |
| NO2 (1-) | nitrite |
| NO3 (1-) | nitrate |
| CO3 (2-) | carbonate |
| CrO4 (2-) | chromate |
| Cr2O7 (2-) | dichromate |
| O2 (2-) | peroxide |
| HPO4 (2-) | hydrogen phosphate |
| SO3 (2-) | sulfite |
| SO4 (2-) | sulfate |
| S2O3 (2-) | thiosulfate |
| NO | nitrogen monoxide |
| N2O2 | dinitrogen dioxide |
| CH4 | methane |
| C2H6 | ethane |
| C3H8 | propane |
| C4H10 | butane |
| C5H12 | pentane |
| strong acids: H2SO4 | sulfuric acid |
| strong acids: HCl | hydrochloric acid |
| strong acids: HBr | hydrobromic acid |
| strong acids: HI | hydroiodic acid |
| strong acids: HNO3 | nitric acid |
| strong acids: HClO4 | perchloric acid |
| Solubility Table Step 1: A molecule is soluble if it contains any of these ions | H+, Na+, K+, NH4+, NO3-, ClO3-, ClO4-, CH3COO- (acetate) |
| Solubility Table Step 2: If Step 1 doesn't give you an answer, the molecule is INSOLUBLE if it contains any of these anions: | CO3(2-), PO4(3-), C2O4(2-), CrO4(2-), S(2-) |
| Solubility Table Step 2: If Steps 1 and 2 don't give you an answer, the molecule is INSOLUBLE if it contains any of these cations: | Ag+, Hg+, Hg2(2+), Pb(2+) |
| Hydroxide, OH-, is insoluble EXCEPT | Ba(OH)2 |
| Oxide, O(2-), is insoluble EXCEPT | CaO |
| Fluoride, F-, is soluble EXCEPT | CaF2, MgF2, SrF2, BaF2 |
| Sulfate, SO4(2-) is soluble EXCEPT | SrSO4, BaSO4 |
| Specific ions from Step 4, the last 3 on the sheet that are all soluble | Cl-, Br-, I- |
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