Equal volume of solutions pH values 8,10,12 are mixed with each other, the pH of resultant solution is nearly
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Concentration of the Ag+ ions in a saturated solution of Ag2CO2O4 is 2.2×10−4molL−1 Solubility product of Ag2C2O4 is:
A buffer solution is prepared in which the concentration of NH3 is 0.30M and the concentration of NH4+ is 0.20M. If the equilibrium constant, Kb for NH3 equals 1.8×10−5, what is the pH of this solution? (log2.7=0.43)
The Hydrolysis constant of MX is (Given, Kb of MOH is 2×10−6 and Ka of HX is 5×10−7)
Which of the following salts will give highest pH in water?
2g of NaOH per 250mL of solution is added to a buffer solution of buffer capacity 0.2. Then the change in pH is
Buffer solutions have constant acidity and alkalinity because
The pH value of a 10 M solution of HCl is
Which of the following statements about pH and H+ ion concentration is incorrect ?