CHEM 115 Chapter Notes - Chapter 4: Fluorine, Sodium Hydroxide, Sodium Chloride
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5 Nov 2017
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Substance that does not form ions in solution. Solutes that exist in solution completely or nearly completely as ions. Exist in solution mostly in form of neutral molecules with only a small fraction that form ions. , ch3coo-, nh4: all no3, cl-, br-, i- (except ag+, hg2, so4. Insoluble: s2- and oh- (except ca2+, sr2+, ba2+, alkali metal cations and nh4, co3. Cations and anions switch when forming products. Ax + by ay + bx. Pb (no3)2(aq) + 2 ki(aq) pbi2(s) + 2kno3(aq) (aq) + 2 k+(aq) + 2 i- (aq) pbi2(s) + 2 k+(aq) + 2 no3. Pb2+(aq) + 2 i- (aq) pbi2(s) (aq) appear on both sides of equation, cancel each other out, called spectator ions. Strong bases are alkali metals, calcium, strontium, barium. When acid and bases are mixed in solution, neutralization occurs. Products have no characteristics of an acidic or basic solution.
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