Equilibrium questions
1777 published questions with worked solutions.
- What is the pH of resulting solution when 20 mL M 10 NaOH and 10 mL M 10 H_2SO_4 are mixed together ?
- The solubility of sparingly soluble salt AB_2 is 18.78 10^ -4 g/dm^3 What is its solubility product ? (Molar mass of AB_2 = 187.8...
- Which from following salts does not undergo hydrolysis ?
- Calculate the solubility in mol dm^ -3 of sparingly soluble salt BA at 293 K if its solubility product is 8.56 x 10^ -5 at same...
- An organic monobasic acid has dissociation constant 1 96 10^ -8 . What is its percentage dissociation in 0 01 M solution ?
- The solubility of salt AX_2 is 6 10^ -12 mol dm^ -3 . What is solubility product of the salt ?
- Identify the conjugate bases of H_3PO_3 and H_2SO_4 respectively from following
- What is the molarity of H_2SO_4 solution having pH = 4?
- The solubility of a sparingly soluble salt AB_2 is 1 10^ -6 mol/dm^3. Calculate its solubility product?
- Which of the following is Lewis acid?
- What is the value of K<sub>sp</sub> for saturated solution of Ba(OH)<sub>2</sub> having pH 12?
- What is the pH of buffer solution prepared by mixing 0.01 M weak acid and 0.02 M salt of weak acid with strong base? ( pK_a =...
- If pH of solution changes from 4 to 5, then the H_3O^ + ion concentration of solution
- The pH of a sample of vinegar is 3.76. Calculate the concentration hydrogen ion in it in mol dm^ -3 ?
- The solubility product of a sparingly soluble salt AX is 4.9 x 10^ -13 . What is its solubility in mol dm^ -3 ?
- Calculate the molar concentration of weak monobasic acid if K_a = 1.8 10^ -5 and degree of dissociation is 0.01?
- If [ H_3O^+ ] of a solution is 1 10^ -4 . What is the value of pOH at 298^ C ?
- Calculate standard Gibbs energy for any gaseous reaction if values of K_p and R respectively are 3.5 10^ 17 and 8.314 J ,K^ -1...
- Calculate the [ H_3O^+ ] if pH of the solution is 4.25
- What is the pH of solution containing 5 10^ -4 M H^+ ion?
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