Use the following data to calculate the mass percent of oxalate in the sample: Mass of...

Question

Question

Use the following data to calculate the mass percent of oxalate in the sample:

Mass of sample: 0.200 grams

Starting buret volume: 12.48 mL

Final buret volume: 37.50 mL

Answer 1

Answer #1

C . mass of sample = 0: 200 grams. Volume of solution - final volunce - Initial volume = 37.50 – 12:48 95.02 mL __ nd mass/vo

Answer 2

Similar Homework Help Questions

1. Calculations Given the following data, determine the % by mass of oxalate (C2O42-) in a...

1. Calculations Given the following data, determine the % by mass of oxalate (C2O42-) in a sample of an iron oxalate complex with the general formula Kz[Fex(C2O4)y].wH2O. The reaction between oxalate and permanganate is as follows: 6H+ + 5(COOH)2 + 2MnO4- → 10CO2 + 2Mn2+ + 8H2O m(iron oxalate complex) used for titration = 0.100 g C(KMnO4) standard solution = 0.0200 M M(C2O42-) = 88.02 g mol-1 Titre volume = 10.18 mL Enter your answer to 3 significant figures. 2....
What is the percent by mass of oxalate ion in a 0.291 g sample of the...

What is the percent by mass of oxalate ion in a 0.291 g sample of the iron salt that took 20.91 mL of 0.02073 M potassium permanganate to titrate to a light pink endpoint?
Question 13 Calculate the amount of dissolved oxygen (ppm 02) using the following data: • Sample...

Question 13 Calculate the amount of dissolved oxygen (ppm 02) using the following data: • Sample volume (mL) = 224.893 • Buret Reading, initial (mL) = 3.581 • Buret Reading, final (mL) = 18.25 • Volume of Na2S203 dispensed (mL) = • Average molar concentration of Na2S203 (mol/L) = 0.0219 • Moles of Na2S203 dispensed (mol) = • Moles of 13° reduced by S2032-(mol) = • Moles of O2 (mol) = • Mass of O2 (mg) • Dissolved oxygen, ppm...

Oxidation-Reduction Titrations I: Determination of Oxalate Č. Analysis of Oxalate Complex or Unkn...

KMnO4 Molarity is .02107M .02107 Oxidation-Reduction Titrations I: Determination of Oxalate Č. Analysis of Oxalate Complex or Unknown Mass of sample Trial Trial 2 Trial 3 Weighing bottle initial mass Weighing bottle final Mass of sample Titration Final reading Initial reading O,1121 Volume of KMnO4 Millimoles of oxalate, C,0,2- Mass of oxalate, C2042 Percent oxalate, C,042 Average percent oxalate If you analyzed your oxalate complex from your experiments, complete the following: Standard devia eoretical percent oxalate in your complex (show...
Calculate the moles of I3-reduced by S2O32- using the following data: Sample volume (mL) = 200.0...

Calculate the moles of I3-reduced by S2O32- using the following data: Sample volume (mL) = 200.0 Buret Reading, initial (mL) = 3.85 Buret Reading, final (mL) = 18.25 Volume of Na2S2O3 dispensed (mL) = 14.4 mL Average molar concentration of Na2S2O3 (mol/L) = 0.02077 Moles of Na2S2O3 dispensed (mol) = __________ Moles of I3- reduced by S2O32- (mol) = __________ Hint: Compute for moles of Na2S2O3 first then use Equation 31.3 of your lab manual to convert it to moles...
QUESTION 5 What is the percent by mass of oxalate ion in a 0.175 g sample...

QUESTION 5 What is the percent by mass of oxalate ion in a 0.175 g sample of the iron salt that took 16.37 mL of 0.02004 M potassium permanganate to titrate to a light pink endpoint.

In this experiment you will use an oxidation - reduction titration to determine the percent of...

In this experiment you will use an oxidation - reduction titration to determine the percent of oxalate ion, CO2 in an unknown sample containing oxalate ion. Potassium permanganate (KMnO.) will be titrated against the oxalic acid (C2H:08) as shown by the following oxidation-reduction reaction: +3 +7 5C,044 2MnO4 + 16H* → 10CO, 8H0 + 2Mn2 +4 + + Mno. Mn? is the reduction process C2042 → CO2 is the oxidation process The underlying principle behind a titration is that an...
QUESTION 3 What is the percent by mass of sodium oxalate in a 0.853 g sample...

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%
Name Prelab for Exp. 6: Analysis of Trisoxalatoferrate(III) for Oxalate Content From the balanced equation for...

Name Prelab for Exp. 6: Analysis of Trisoxalatoferrate(III) for Oxalate Content From the balanced equation for the reaction between C20, and MnO, show that it is the manganese that is reduced and the carbon that is oxidized by giving the initial and final oxidation numbers of these elements in the reaction. Oxidation numbers Mn C Demonstrate your method for finding oxidation numbers of Mn and C in C,02and MnO," here: Reactants Products Consider the mole ratio of permanganate to oxalate...

Physiological Chemistry Laboratory II - SPRING 2020 8. Calculate the unknown mass of a sample of...

Physiological Chemistry Laboratory II - SPRING 2020 8. Calculate the unknown mass of a sample of KHP (204 22 a/mol) if it consumed 39.27 mL of a 0.5094 Min solution to reach the phenolphthalein end point. 9. If 28.75 ml of 0.2055 M HCl are required to reach the end point of a titration of a 46.93 ml sample of NaOH, what is the molarity of the NaOH solution? What if the acid was phosphoric acid, H3PO4? 10. Titration of...