What is the equilibrium concentration of CNlion in a solution prepared by mixing 30.0 mL of...
What is the pH of a buffer solution prepared by mixing 30.0 mL of 0.10 M of HOAC and 40.0 mL of a 0.1 M NaOAc Pka of the acid is 4.74
QUESTION 3 A solution is prepared by mixing 30.0 mL of 0.60 M Ba(NO3)2 and 30.0 mL of 0.60 M Ca(NO3)2. Sodium fluoride is added to the mixture. Assume there is no volume change from the addition of sodium fluoride. Which compound precipitates first and at what concentration of F will we first see the precipitate form? Ksp BaF2 = 1.8 x 107 and Ksp CaF2 = 1.5 x 10-10 1. BaF2; 3.6 × 10-3M 2. CaF2; 7.2 10-4 M...
What would the concentration of nitrate be (in M) in a solution prepared by adding 30.0 mL of 0.050 M potassium nitrate with 40.0 mL of a 0.075 M sodium nitrate solution into a volumetric flask that is 250 mL and then filling it up to the 250 mL mark with water and mixing it well?
4- (a) Calculate the concentration of Cd2+ ion in a solution prepared by mixing 2.0 mL of 1 M CA(NO3)2 solution with 1.0 L of 4.0 M NH3 solution. [Assume that the volume does not change after the addition of 2.0 ml of 1 M Cd(NO3)2] (b) Will you be able to see Ca(OH)2(6) precipitate in the solution? (Kr for Ca(NH3)42+ = 1.0 x 107, Kb for NH3 = 1.8 x 10-5; Ksp for Ca(OH)2 = 5.9 x 10-15 Cd2+...
What is the molar concentration of chloride ions in a solution prepared by mixing 119.0 mL of 2.5 M KCl with 60.5 mL of a 1.60 M CaCl2 solution? (Review this video if necessary.)
What is the silver ion concentration in a solution prepared by mixing 397 mL 0.379 M silver nitrate with 431 mL 0.450 M sodium carbonate? The Ksp of silver carbonate is 8.1 x 10-12. [Ag+] = M
A buffer solution is prepared by mixing 15.0 mL of 2.20 M Acetic Acid and 30.0 mL of 1.55 M NaC2H3O2. Determine the pH of the buffer. pKa HC2H3O2 = 4.745 pH:_____
What is the silver ion concentration in a solution prepared by mixing 339 mL of 0.395 M silver nitrate with 401 mL of 0.492 M sodium phosphate? The Ksp of silver phosphate is 2.8 × 10-18
What is the silver ion concentration in a solution prepared by mixing 371 mL of 0.396 M silver nitrate with 429 mL of 0.526 M sodium phosphate? The Ksp of silver phosphate is 2.8 × 10-18
What is the silver ion concentration in a solution prepared by mixing 431 mL of 0.398 M silver nitrate with 445 mL of 0.422 M sodium chromate? The ?sp of silver chromate is 1.2×10^−12 .