chemistry notes on strong acids

 AP Chemistry Name _________________________________ Period ___ Date __/__/__
4  Reactions in Aqueous Solution
Precipitate Practice #1
Write balanced molecular and detailed ionic equations. Strike out any spectator ions.

1. Solutions of lead nitrate and potassium chloride are mixed.

Pb(NO3)2(aq) + 2 KCl(aq)  PbCl2(s) + 2 KNO3(aq) Pb2+ + 2 NO3- + 2 K+ + 2 Cl-  PbCl2(s) + 2 K+ + 2 NO3-

2. Solutions of sodium sulfate and calcium bromide are mixed.

Na2SO4(aq) + CaBr2(aq)  CaSO4(s) + 2 NaBr(aq) 2 Na+ + SO42- + Ca2+ + 2 Br-  CaSO4(s) + 2 Na+ + 2 Br-

3. Solutions of aluminum acetate and lithium hydroxide are mixed.

Al(C2H3O2)3(aq) + 3 LiOH(aq)  Al(OH)3(s) + 3 LiC2H3O2(aq) Al3+ + 3 C2H3O2- + 3 Li+ + 3 OH-  Al(OH)3(s) + 3 Li+ + 3 C2H3O2-

4. Solutions of iron(III) sulfate and sodium sulfide are mixed.

Fe2(SO4)3(aq) + 3 Na2S(aq)  3 Na2SO4(aq) + Fe2S3(s) 2 Fe3+ + 3 SO42- + 6 Na+ + 3 S2-  6 Na+ + 3 SO42- + Fe2S3(s)

5. Solutions of aluminum sulfate and calcium hydroxide are mixed.

Al2(SO4)3(aq) + 3 Ca(OH)2(aq)  3 CaSO4(s) + 2 Al(OH)3(s) 2 Al3+ + 3 SO42- + 3 Ca2+ + 6 OH-  3 CaSO4(s) + 2 Al(OH)3(s)

6. Solutions of potassium chromate and lead acetate are mixed.

K2CrO4(aq) + Pb(C2H3O2)2(aq)  PbCrO4(s) + 2 KC2H3O2(aq) 2 K+ + CrO42- + Pb2+ + 2 C2H3O2-  PbCrO4(s) + 2 K+ + 2 C2H3O2-

7. Solutions of silver nitrate and ammonium sulfide are mixed.

2 AgNO3(aq) + (NH4)2S(aq)  Ag2S(s) + 2 NH4NO3(aq) 2 Ag+ + 2 NO3- + 2 NH4+ + S2-  Ag2S(s) + 2 NH4+ + 2 NO3-

 AP Chemistry Name _________________________________ Period ___ Date __/__/__
4  Reactions in Aqueous Solution
Acid-Base & Gas Forming Equations
Solutions of Strong Acids & Strong Bases
1. Solutions of hydrochloric acid and barium hydroxide are mixed.

2 HCl + Ba(OH)2  BaCl2 + 2 H2O
2 H+ + 2 Cl-