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Ionic Equilibrium
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Question 1
If pH of a saturated solution of Ba(OH)2 is 12, the value of Ksp (M3 )is
Question 2
Slaked lime, Ca(OH)2 is used extensively in sewage treatment. What is the maximum pH that can be established in Ca(OH)2(aq)?
Question 3
At 25 °C, the solubility product of Mg(OH)2 is 1.0 × 10–11. At which pH, will Mg2+ ions start precipitating in the form of Mg(OH)2 from a solution of 0.001 M Mg2+ ions?
Question 4
The pKa of a weak acid, HA, is 4.80. The pKb of a weak base, BOH, is 4.78. The pH of an aqueous solution of the corresponding salt, BA, will be:
Question 5
the pKa of a weak acid (HA) is 4.5. The pOH of an aqueous buffered solution of HA in which 50% of the acid is ionized is:
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Class 11thChemistryJan 29Class 11th