Reactions in Solutions

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Presentation transcript:

Reactions in Solutions

Reactions in Solution When combining two aqueous ionic solutions there are two possible outcomes: The solutions do not react and remain in solution The solutions react (double displacement) forming either A precipitate A gas Water

Precipitation Reactions To determine if a precipitate will form you will need to use a solubility table. General solubility rules: All nitrates (NO3-) are soluble All group 1 compounds, including acids, are soluble All ammonium (NH+) compounds are soluble All acetates (CH3COO-) are soluble except in compounds with silver (Ag+) Carbonates (CO32-), phosphates (PO43-) and sulfites (SO32-) will precipitate except in compounds with Rules #2 & #3 For all other exceptions, refer to a solubility table

Will the following solutions produce a precipitate? Practice Will the following solutions produce a precipitate? A. potassium carbonate and cuprous sulfate B. ammonium chloride and sodium sulfate

Reactions Producing a Gas Remember your gas tests? Oxygen Hydrogen Carbon dioxide

Reactions Producing Water Neutralization reactions Acid + base  salt + water pH tests (litmus paper, phenolphthalein, bromothymol blue)

Practice p. 332 #1,2 p. 138-143 #1-5, 7