Question

(111) An example of soluble salt is
a. AgCl
b. CaCl2
c. CaSO4​

Answer 1

Answer:

NaCl

Explanation:

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Answer 2

Explanation:

All ammonium and Group 1A (alkali metal) salts are soluble.

1- All nitrates are soluble.

Chlorides, bromides, iodides, Cl1-, Br1-, I1- All common chlorides, bromides and iodides are soluble except AgCl, Hg2Cl2, PbCl2, AgBr, Hg2Br2,

PbBr2, AgI, Hg2I2, PbI2.

Sulfates, SO4

2- Most sulfates are soluble except CaSO4, SrSO4, BaSO4, Ag2SO4, Hg2SO4, and PbSO4.

Chlorates, ClO3

1- All chlorates are soluble.

Perchlorates, ClO4

1- All perchlorates are soluble.

Acetates, C2H3O2

1- All acetates are soluble.

Phosphates, PO4

3- All phosphates are insoluble except those of NH4

1+ and Group 1A (alkali metal) salts.

Carbonates, CO3

2- All carbonates are insoluble except those of NH4

1+ and Group 1A (alkali metal) salts.

Hydroxides, OH1- All hydroxides are insoluble except those of NH4

1+ and Group 1A (alkali metal) salts.

Ca(OH)2, Sr(OH)2, and Ba(OH)2 are slightly soluble.

Oxides, O2- All oxides are insoluble except those of Group 1A (alkali metal) salts.

Oxalates, C2O4

2- All oxalates are insoluble except those of NH4

1+ and Group 1A metals (alkali metal cations).

Sulfides, S2- All sulfides are insoluble except those of NH4