Accelerated Chemistry Unit 6 – Precipitation reactions
Name……………………………………...…….. Hour…….
Directions: Use coefficients to balance the following chemical equations. 1. ___1___ Na2CrO4(aq) + ___1___ Sr(NO3)2(aq) → ___2___ NaNO3(aq) + ___1___ SrCrO4(s) 2. ___1___ Al(NO3)3(aq) + ___1___ Na3PO4(aq) → ___1___ AlPO4(s) + ___3___ NaNO3(aq) 3. ___1___ BaCl2(aq) + ___2___ AgNO3(aq) → ___2___ AgCl(s) + ___1___ Ba(NO3)2(aq) Directions: Identify the spectator ions in the following chemical reactions. 4. Pb(NO3)2(aq) + 2NaCl(aq) → PbCl2(s) + 2NaNO3(aq) Spectator ions: ___NO3-(aq) and Na+(aq)___ 5. CaCl2(aq) + Na2CO3(aq) → 2NaCl(aq) + CaCO3(s) Spectator ions: ___Cl-(aq) and Na+(aq)___ 6. CuSO4(aq) + 2KOH(aq) → K2SO4(aq) + Cu(OH)2(s) Spectator ions: ___SO42-(aq) and K+(aq)___ Directions: Predict the products and write the balanced chemical equation for the reactions below. 7. Aqueous solutions of lead (II) nitrate and lithium chloride. ___Pb(NO3)2(aq) +_2LiCl(aq) → 2LiNO3(aq) + PbCl2(s)___ 8. Aqueous solutions of barium chlorate and sodium phosphate. ___3Ba(ClO4)2(aq) + Na3PO4(aq) → 6NaClO4(aq) + Ba3(PO4)2(s)___ 9. Aqueous solutions of aluminum chloride and sodium hydroxide. ___AlCl3(aq) + 3NaOH(aq) → Al(OH)3(s) + 3NaCl(aq)___
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Directions: For each question, predict the products and write the balanced equation (a), complete ionic equation (b), net ionic equation (c) and spectator ions (d). Include all relevant charges and states of matter. 10. Aqueous sodium carbonate is added to aqueous zinc (II) chloride.
a. ___Na2CO3(aq) + ZnCl2(aq) → 2NaCl(aq) + ZnCO3(s)___
Directions: Identify the spectator ions in the following chemical reactions. 4. Pb(NO3)2(aq) ... Aqueous ammonium sulfide is added to aqueous tin (II) chlorate. a.
8. Aqueous solutions of barium chlorate and sodium phosphate. 9. Aqueous solutions of aluminum chloride and sodium hydroxide. ..... 157. Page 3 of 60. Precipitation homework.pdf. Precipitation homework.pdf. Open. Extract. Open with. Sign In. Main men
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