Precipitate Reactions Worksheet
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2Name ______________________________________________________ Hour ______________
Precipitate Reactions
Purpose: Use the solubility guidelines below to predict which substances are insoluble and will precipitate
out of solution during a double displacement reaction.
Information:
The substance that is dissolved is known as the ______________, doing the dissolving is the __________
Something that can be dissolved is known as _____________, can’t be dissolved is called ___________
Define precipitate (p. 49):
Write out the full chemical equation when calcium chloride reacts with silver nitrate:
Write the net ionic equation when calcium chloride reacts with silver nitrate: (p. 370)
General Solubility Guidelines:
1. All nitrates (NO
) are soluble in water.
3 -1
2. All sodium (Na) compounds are soluble in water.
3. Most potassium and ammonium compounds are soluble in water.
4. Most chlorides are soluble (except Ag, Hg, and Pb)
5. Most sulfates are soluble (except Ba, Sr, and Pb)
6. Most hydroxides are INSOLUBLE
7. Most carbonates are INSOLUBLE, except with Na, K, and NH
4
PART 1:
1.
Finish and balance the double displacement reactions given below.
Predict which product will be the precipitate by circling it.
2.
LAB: Add 5 drops of each reactant to a test tube and record observations.
3.
Reactants
Products
Observations
1.
___ BaCl
+ ___ Na
CO
2 (aq)
2
3 (aq)
2.
___ AgNO
+ ___ NaCl
3 (aq)
(aq)
3.
___ CaCl
+ ___ Na
CO
2 (aq)
2
3 (aq)
4.
___ Cu(NO
)
+ ___ NaOH
3
2 (aq)
(aq)
5.
___ AgNO
+ ___ NaOH
3 (aq)
(aq)
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