What are the respective concentrations ( M ) of Fe^3+ and 1 afforded by dissolving 0.200...
What are the respective concentrations (M) of Cu2+ and Cl- afforded by dissolving 0.833 mol CuCl2 in water and diluting to 375 mL? a. 0.00175 and 0.00175 b. 1.75 and 0.00175 c. 0.570 and 0.198 d. 0.00175 and 1.75 e. 1.75 and 3.51
What are the respective concentrations (M) of K and CO32- afforded by dissolving 0.530 mol K2CO3 in water and diluting to 1.75L? 0.606 and 0 606 0.101 and 0.311 0.311 and 0.311 0311 and 0.606 0.606 and 0.311
Q29
What are the respective concentrations (M) of Cu^2+ and CI^- afforded by dissolving 0.741 mol CuCl_2 in water and diluting to 726mL? 0.00102 and 1.02 1.02 and 2.04 1.02 and 1.02 0.980 and 0.269 0.00102 and 0.00102
a. A 10 ml calibration solution is made by mixing 5 mL of 0.200 M Fe(NO3)3, 1.50 mL of 2.00X10-3 M KNCS, 1 mL of 0.100 M nitric acid and 2.50 mL H20. What is the final concentration of only the NCS-ion? b. If 1.00 ml of this solution is then diluted to a final volume of 25.00 ml with DI water. What is the new concentration of NCS?
A 0.200 M solution of NaClO prepared by dissolving NaClO in water. A 55.0 mL sample of this solution is titrated with 0.200 M HCl.K_a for HClO is 3.5 times 10^-8. Calculate the pH of the solution at each of the following points of the titration: a. Prior to the addition of any HCl b. Halfway to the equivalence point c. At the equivalence point d. After 6.00 mL of HCl has been added beyond the equivalence point
14. If a solution is made by dissolving 14.5 g of Fe(NO3)3 in 455 ml of water, what is the mass percent of iron and nitrate in this solution? Assume 1.00 g/ml density of the water. 4 pts
14. If a solution is made by dissolving 14.5 g of Fe(NO3)3 in 455 ml of water, what is the mass percent of iron and nitrate in this solution? Assume 1.00 g/ml density of the water. 4 pts
Fe(NO3)3 (0.00100 mol) and KSCN (0.200 mol) are added to water to make exactly 1 liter of solution. The red complex ion FeSCN2+ is produced. Calculate the concentrations of Fe3+(aq) and FeSCN2+(aq) at equilibrium, if Kf of the FeSCN2+ is 8.9 × 102.
Molar Concentrations What is the molar concentration of an ammonium carbonate solution made by dissolving 1.460 grams of ammonium carbonate in enough water to create 100.0 mL of total solution? M ammonium carbonate?
A solution was prepared by dissolving 0.200 moles of sodium hypoch lorite (NaClO) in water to a final volume of 1.00 Liter. Ka 2.96x10 for hypochlorous acid (HCIO). Show equations and work steps for these calculations. 1) Calculate Kb of sodium hypochlorite. 2) Calculate the pH of the NaClO solution. 3) Calculate the pH if 10.0 mL of 1.00 M HCl is added to 100.0 mL of the original NACIO solution. 4) Calculate the pH if 20.0 mL of 1.00...