Equilibrium questions
1777 published questions with worked solutions.
- Which of the following will make basic buffer?
- What will be the molar solubility S of a solid salt with general formula M_x^ p+ X_y^ q- ?
- The solubility product (K_ sp ) of solid barium sulphate at 298 K is 1.1 10^ -10 . The molar solubility, (S) of [ Ba^ 2+ ] and [...
- The K_ sp of Ag_2CrO_4 , AgCl, AgBr and AgI are respectively, 1.1 10^ -12 , 18 10^ -10 , 5.0 10^ -23 , 8.3 10^ -17 . Which one...
- Calculate the molar solubility (S) of a salt like zirconium phosphate of molecular formula ( Zr^ 4+ )_3( PO_4^ 3- )_4.
- Calculate the solubility of A_2X_3 in pure water, assuming that neither kind of ion reacts with water. (Given, the solubility...
- The molar solubility of CaF_2 (K_ sp = 5.3 10^ -11 ) in 0.1 M solution of NaF will be
- The solubility of BaSO_4 in water is 2.42 10^ -3 g ,L^ -1 at 298 K. The value of its solubility product (K_ sp ) will be, (Given,...
- Calculate the volume of water required to dissolve 0.1 g lead (II) chloride to get a saturated solution. (K_ sp of PbCl_2 = 3.2...
- The solubility product of Cr(OH)_3 at 298 K is 6.0 10^ -31 . The concentration of hydroxide ions in a saturated solution of...
- If the maximum concentration of PbCl_2 in water is 0.01 M at 25 ^ , its maximum concentration in 0.1 M NaCl will be
- Solubility of calcium phosphate (molecular mass, M) in water is W g per 100 mL at 25 ^ . Its solubility product at 25 ^ will be...
- If S_1, S_2, S_3 and S_4 are the solubilities of AgCl in water, in 0.01 M CaCl_2 , in 0.01 M NaCl and in 0.05 M AgNO_3...
- Three sparingly soluble salt that have same solubility products are given below. I. A_2X II. AX III. AX_3 Their solubilities...
- Given, Ag(NH_3)_2^+ Ag^+ + 2NH_3 ; K_C = 6.2 10^ -8 and K_ sp of AgCl is 1.8 10^ -10 at 298 K. Calculate concentration of the...
- pH of saturated solution of Ba(OH)_2 is 12. The value of solubility product of K_ sp of Ba(OH)_2 is
- What is the value of molar solubility of Ni(OH)_2 in 0.10 M NaOH. If is; then the ionic product of Ni(OH)_2 is 2.0 10^ -15 .
- What is the minimum pH of a solution having concentration 0.10 M of Mg^ 2+ , from which Mg(OH)_2 will not precipitate? [K_ sp...
- The p K_a of acetylsalicylic acid (aspirin) is 3.5. The pH of gastric juice in human stomach is about 2-3 and the pH in the small...
- A precipitate of AgCl is formed when equal volumes of the following are mixed [K_ sp for AgCl = 10^ -10 ]
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