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1. What is the pH of a buffer made by mixing 250 mL of 0.3 M KOCN with 150 mL of 0.25 M HOCN. Ka for HOCN is 3.5 x 10^4

2. Calculate the solubility in g/L for CaF2 in water at 25 C. Ksp is 3.4 x 10^-11

3. The solubility of magnesium carbonate, MgCO3 in water at 25 C is 0.27 g/L

a. Calculate Ksp for magnesium carbonate

b. Calculate the molar solubility of MgCO3 in 0.15 M MgCl2

4. Calculate the molar solubility of AgBr in 4.0 M NH3. Kf for Ag(NH3)2 is 1.7 x 10^7 and Ksp for AgBr is 5.0x10^-13

5. What is the pH at the equivilaence point when 45 mL of 0.125 M acetic aced is titrated with 0.225 M NaOH? Ka for acetic acid is 1.7x 10^-5

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  • Category:- Chemistry
  • Reference No.:- M9465727

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