Predict the solubility of the following salts: sodium sulfate potassium chromate

Question

Predict the solubility of the following salts: sodium sulfate potassium chromate silver bromide nickel (II) hydroxide aluminum nitrate barium sulfide ammonium acetate strontium iodide Write the ions that are produced when the following substances dissolve in water: Mg(OH)_2 K_2SO_4 NaHCO_3 (NH_4)_3PO_4 NaCIO Predict whether or not the following reactions will lead to a precipitate Write detailed and net ionic equations for all the reactions. a. potassium chromate and lead acetate b. silver perchlorate and ammonium chloride c. potassium carbonate and copper acetate d. sodium fluoride and magnesium iodide e. barium nitrate and potassium sulfate

Explanation / Answer

2) Predict the solubility of the following salts-

a. Sodium sulfate - Soluble (Salts containing Group I elements are soluble (Li+, Na+, K+)

b. Potassium chromate – Soluble (Salts containing Group I elements are soluble (Li+, Na+, K+)

c. Silver bromide – Insoluble (Most silver salts are insoluble except AgNO3 and Ag2 (C2H3O2).)

d. Nickel (II) hydroxide – Insoluble

(Only NaOH, KOH, NH4OH, Ca (OH)2, Sr(OH)2, Ba(OH)2. The rest of them are insoluble.)

e. Aluminum nitrate – Soluble    Salts containing nitrate ion (NO3-) are generally soluble)

f. Barium sulfide – Insoluble (Ammonium, Group IA metals and Group IIA metals are soluble)

g. Ammonium acetate – Soluble (Salts containing the ammonium ion (NH4+) are soluble.)

h. Strontium iodide – Soluble (Salts containing Cl -, Br -, I - are generally soluble except those of Ag+, Pb2+, and (Hg2)2+)

3) Write the ions that are produced when the following substances dissolve in water-

a. Mg (0H)2 – Mg^2+ and OH^-

b.K2S04 – K^+ and SO4^2-

c. NaHC03 - Na^+, HC03^-

d. (NH4)3P04 – NH4^+ and PO4^-3

  e. NaCIO - Na^+, CIO^-

4) Write detailed and net ionic equations for all the reactions.

a. potassium chromate and lead acetate

K2CrO4 + Pb (C2H3O2) --> PbCrO4(s) + K2(C2H3O2)

Net-ionic equation-

Pb2+(aq) + CrO42-(aq) -----> PbCrO4(s)

b. silver perchlorate and ammonium chloride

Balanced Equation:

NH4Cl (aq) + AgNO3 (aq) ----> NH4NO3 (aq) + AgCl(s)

Net Ionic Equation-

Ag^+(aq) + Cl^-(aq) ---> AgCl(s)

c. potassium carbonate and copper acetate

K2CO3 (aq) + Cu(C2H3O2)2 (aq) + --> CuCO3(s) + 2K(C2H3O2)(aq)

Net Ionic Equation-

Cu^2+(aq) + CO3^-2(aq) ----à CuCO3(s)

d. sodium fluoride and magnesium iodide

MgI2 +2 NaF ---> MgF2 + 2 NaI

Mg^2+(aq) + 2F^-1 --à MgF2(s)

e. barium nitrate and potassium sulfate

Ba(NO3)2(aq) + K2SO4(aq) --> BaSO4(s) + 2KNO3(aq)

SO4 ^2- + Ba^2+ --> BaSO4(s)

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