QUESTION 4 What is the molarity (mol/L) of a potassium permanganate solution if 17.67 mL of...
What is the molarity (mol/L) of a potassium permanganate solution if 19.95 mL of it was used to titrate a 13.89 mL sample of a 0.1731 M sodium oxalate standard solution.
b) If 28.93 mL of a potassium permanganate solution was used to titrate 25.00 mL of a sodium oxalate solution made by dissolving 1.0423 g of sodium oxalate in 250.0 mL of deionized water, calculate the molarity of the potassium permanganate.
b) If 28.93 mL of a potassium permanganate solution was used to titrate 25.00 mL of a sodium oxalate solution made by dissolving 1.0423 g of sodium oxalate in 250.0 mL of deionized water, calculate the molarity of the potassium permanganate.
What is the percent by mass of sodium oxalate in a 0.614 g sample that took 20.96 mL of 0.03513 M potassium permanganate to titrate to a light pink endpoint?
7) (10 pts) In the titration of sodium oxalate with potassium permanganate, very pure sodjum oxalate (Na2C2O4, MM133.9985 g/mol) is used to find an accurate Molarity of a potassium permanganate (KMnO) solution. If 98.52 mg of sodium oxalate is dissolved in exactly 25.00 mL of solution at 25.0°C, 21.50 mL of KMnO solution is needed to achieve equivalence. What is the Molarity of the KMnO,? Sodium and potassium ions are spectators in this reaction. Constant normal Ts and Ps are...
What is the molarity of 0.500 L of a potassium chromate solution containing 0.0650 mol of K2CrO4? What is the molarity of 4.50 L of a solution containing 0.206 mol of urea [(NH2)2CO]? What mass of HCl is present in 825 mL of a 1.25 M solution? What mass of isopropyl alcohol (C3H8O) is dissolved in 2.050 L of a 4.45 M aqueous C3H8O solution?A 50.0 mL sample of saltwater that is 3.0% m/v is diluted to 950 mL. What...
8. If 45.52 mL of a potassium permanganate solution is needed to titrate 2.145 g of iron(II) ammonium sulfate hexahydrate, calculate the molarity of the KMnO4 solution
Experiment 2: Determination of sodium oxalate and oxalic acid in mixture by potassium permanganate A-Calculate the normality and strength of oxalic acid in the mixture if the average reading of sodium hydroxide (V1) is 6.0 mL? (N NaOH = 0.1N , V oxalic acid =10 mL, Mwt oxalic acid = 90.03) B-Calculate the normality and strength of sodium oxalate in the mixture if the average reading of potassium permanganate (V2) is 11.5 mL?(V3= V2-V1) ( N KMnO4 = 0.1 N,...
QUESTION 3 What is the percent by mass of sodium oxalate in a 0.853 g sample that took 17.81 mL of 0.03178 M potassium permanganate to titrate to a light pink endpoint? Answer could be greater than 100%
What volume of a solution of potassium permanganate ( 81 mg / mL) is required for the preparation of 8.3 L of a solution containing the substance at a concentration of 1 in 4,000?(no decimal place)