Calculate the pH of a buffer solution prepared by mixing 20.0 mL of 0.20 M in am

Question

Calculate the pH of a buffer solution prepared by mixing 20.0 mL of 0.20 M in ammonia and 15. 0 mL of 0.30 M in ammonium chloride? Assume the total volume is 35.0 mL. Kk for ammonia is 1.8 Times 10^-5. Give a recipe for preparing a sodium carbonate/sodium bicarbonate buffer solution having a pH of 9.5 For carbonic acid, H2CO3, pKal = 6.35 and pKa2 = 10.33 A saturated solution of silver chromatic (Ag2CrO4 a sparingly soluble solid, formula mass 331.0 g/mol), was found to have a chromatic ion concentration of 3.2 Times 10^-4 M at 25 degree C What is the Ksp; and solubility o! the salt in mg/mL? How could vou dissolve a sample of the salt? Calculate the solubility in mg/ml of PbCL2(formula mass 276.2 g/mol) in 0.25 M sodium chloride solution at 25 degree C. Ksp for lead chloride is 1.8 Times 10^-10 at 25 degree C. Write an equation to show the formation ol the complex ion [Ag(NH3)2^+] from silver ion and aqueous ammonia then calculate the concentration of silver ions in solution if exactly 0.100 mol of silver nitrate is added to exactly 500 mL of 0.800 M ammonia solution A, for [Ag(NH3)2]^+ is 1.7 Times 10^7.

Explanation / Answer

Calculate the pH of a buffer solution prepared by mixing 20.0 mL of 0.20 M in am

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