Question

Predict the solubilities of the following substances in water. a)NaNo₃   b)NH₄Br c) (NH₄)₂SO₄   d) (NH₄)₂CO₃ e)BaBr₂ f) BaSo₄  g)Ba(OH)₂  h) BaCO₃

Answer 1

The solubilities of the following substances in water are:

(a). NaNO3 - Soluble

(Since salts of nitrates are soluble in water)

(b). NH4Br - Soluble

(Since ammonium salts are soluble in water)

(c). (NH4)2SO4 - Soluble

(Since all sulfates are soluble in water except Ca²⁺, Ba²⁺, Sr²⁺, Hg²⁺, Pb²⁺, Ag⁺)

(d). (NH4)2CO3 - Soluble

(Since carbonate salt of ammonium ion is soluble in water)

(e). BaBr2 - Soluble

(Since salts of bromide are soluble in water)

(f). BaSo4 - Insoluble

(Since all sulfates are soluble in water except Ca²⁺, Ba²⁺, Sr²⁺, Hg²⁺, Pb²⁺, Ag⁺)

(g). Ba(OH)2 - Soluble

(Since all hydroxides are insoluble in water except Group IA, Ca²⁺, Ba²⁺, Sr²⁺)

(h). BaCO3 - insoluble

(Since all carbonates are insoluble in water except Group IA and NH₄⁺)