Homework Answers
Add Answer to:
How
do I answer these short answer questions regarding
Oxidation-Reduction titrations based on my experiment?
EXPERIMENT...
EXPERIMENT 7 OXIDATION-REDUCTION TITRATIONS Name HOMEWORK EXERCISES Use the net ionic equations in problems I and...
EXPERIMENT 7 OXIDATION-REDUCTION TITRATIONS Name HOMEWORK EXERCISES Use the net ionic equations in problems I and 2 for problems 3-5 1. a. Write the balanced equations for the half reactions (ionic) and the overall net ionic equation for the titration of Mohr's salt with KMnO4. lonic MnO,: lonic Fe Net ionic: b. What is the standardized molarity of a KMnO4 solution if 36.31 mL are required to titrate 2.5010 g of Mohr's salt? 2. a. Write the balanced equations for...
need help with the Molarity of both parts EXPERIMENT 8: AN OXIDATION-REDUCTION TITRATION DATA SHEET 0.2M...
need help with the Molarity of both parts
EXPERIMENT 8: AN OXIDATION-REDUCTION TITRATION DATA SHEET 0.2M 10 m2 Concentration of original KMnO solution Volume of Original KMnO4 solution used Molarity of KNOWN HOCg04 D.ISOM Standardization of KMnO solution. Sample 3 Sample 1 Volume H2C204 11.00ML Initial buret reading (KMnO4) .00 mc Final buret reading (KMnO4) 12.00ML Volume KMnO4 12.00ml Molarity KMnO4 Average (KMnO4) Sample 2 4:00ML 12.00mL 13.5ML . SOL Determination of Unknown Solution Sample 3 Sample 1 4ml Volume...
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...
Name: Lab Section: Date : Experiment Vill: Oxidation-Reduction Review Questions ( 30 pts) 1. (4 pts)...
Name: Lab Section: Date : Experiment Vill: Oxidation-Reduction Review Questions ( 30 pts) 1. (4 pts) Give the oxidation number for the specified atom in the following compounds. a. Phosphorus in phosphorous acid, H3PO, b. Chromium in dichromate ion, Cr20,2 2. (4 pts) Calculate the grams of iron ion present in 1.25 ml of a solution that required 2.20 mL of 0.02115 M KMnO, in a titration going to a fait pink endpoint. 3. (2 pts) In acid-base titrations an...
Of Oxalate Before beginning this experiment in the laboratory, you should be able to answer the f...
of Oxalate Before beginning this experiment in the laboratory, you should be able to answer the following questions 1. If0.4586 g of sodium oxalate, Na C204, requires 33.67 mL of a KMno4 solution to reach the end point, what is the molarity of the KMnO4 solution? Titration of an oxalate sample gave the following percentages: 15.53%, 15.55%, and 15.56%. Calculate the average and the standard deviation. 2. 3. Why does the solution decolorize upon standing after the equivalence point has...
pre lab Experiment 23/ Oxidation-Reduction TiHration 207 Prelab Name Section Oxidation-Reduction Titration I. What does it...
pre
lab
Experiment 23/ Oxidation-Reduction TiHration 207 Prelab Name Section Oxidation-Reduction Titration I. What does it mean to standardize the KMnO, solution? 2. In the titration reaction, which substance is a. reduced? b. axidized? 3. What is the mole ratio of Mno,/C,O in the chemical reaction in this experiment? 4. What is the purpose of the 3 M H,S0, solution? What is the purpose of the manganese(ID) sulfate? 5. Why is it necessary to titrate slowly in this experiment?
Experiment VIII: Oxidation Reduction Lab Report ( 45 pts) tandardization of KMnO, Solution - Mass of...
Experiment VIII: Oxidation Reduction Lab Report ( 45 pts) tandardization of KMnO, Solution - Mass of Na2C2O4 samples (include units) Sample 1:60-0109 Sample 2:1.0lla Sample3:0-0119 Volume of KMnO, solution used (include units) Sample 1: M ariana Sample 2:01.07ml Sample 3: 1.21 ML 0.70mL Calculate the molarity of the KMnO, solution for Sample 1. Calculate the molarity of the KMnO4 solution for Sample 2. Calculate the molarity of the KMnO4 solution for Sample 3. - Calculate the average molarity of the...
A titration is a procedure for determining the concentration of a solution by allowing it to...
A titration is a procedure for determining the concentration of a solution by allowing it to react with another solution of known concentration (called a standard solution). Acid-base reactions and oxidation-reduction reactions are used in titrations. For example, to find the concentration of an HCI solution (an acid), a standard solution of NaOH (a base) is added to a measured volume of HCl from a calibrated tube called a buret. An indicator is also present and it will change color...
Hi, can anyone please help me with this? i have no clue how to define if...
Hi,
can anyone please help me with this? i have no clue how to define
if a reaction is Oxidation reduction or not. Thanks a lot
OXIDATION-REDUCTION Introduction Chemists refer to reactions which involve a transfer of electrons from one reactant to another as oxidation reduction reactions of just "redox" reactions. Oxidation is defined as a loss of electron and reduction as a gain of electron by a substance during a chemical reaction. The loss of electrons by one substance...
In addition to mass balance, oxidation-reduction reactions must be balanced such that the number of electrons...
In addition to mass balance, oxidation-reduction reactions must be balanced such that the number of electrons lost in the oxidation equals the number of electrons gained in the reduction. This balancing can be done by two methods: the half-reaction method or the oxidation number method. The half-reaction method balances the electrons lost in the oxidation half-reaction with the electrons gained in the reduction half-reaction. In either method H2O(l), OH−(aq), and H+(aq) may be added to complete the mass balance. Which...
EXPERIMENT 7 OXIDATION-REDUCTION TITRATIONS Name HOMEWORK EXERCISES Use the net ionic equations in problems I and 2 for problems 3-5 1. a. Write the balanced equations for the half reactions (ionic) and the overall net ionic equation for the titration of Mohr's salt with KMnO4. lonic MnO,: lonic Fe Net ionic: b. What is the standardized molarity of a KMnO4 solution if 36.31 mL are required to titrate 2.5010 g of Mohr's salt? 2. a. Write the balanced equations for...
need help with the Molarity of both parts
EXPERIMENT 8: AN OXIDATION-REDUCTION TITRATION DATA SHEET 0.2M 10 m2 Concentration of original KMnO solution Volume of Original KMnO4 solution used Molarity of KNOWN HOCg04 D.ISOM Standardization of KMnO solution. Sample 3 Sample 1 Volume H2C204 11.00ML Initial buret reading (KMnO4) .00 mc Final buret reading (KMnO4) 12.00ML Volume KMnO4 12.00ml Molarity KMnO4 Average (KMnO4) Sample 2 4:00ML 12.00mL 13.5ML . SOL Determination of Unknown Solution Sample 3 Sample 1 4ml Volume...
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...
Name: Lab Section: Date : Experiment Vill: Oxidation-Reduction Review Questions ( 30 pts) 1. (4 pts) Give the oxidation number for the specified atom in the following compounds. a. Phosphorus in phosphorous acid, H3PO, b. Chromium in dichromate ion, Cr20,2 2. (4 pts) Calculate the grams of iron ion present in 1.25 ml of a solution that required 2.20 mL of 0.02115 M KMnO, in a titration going to a fait pink endpoint. 3. (2 pts) In acid-base titrations an...
of Oxalate Before beginning this experiment in the laboratory, you should be able to answer the following questions 1. If0.4586 g of sodium oxalate, Na C204, requires 33.67 mL of a KMno4 solution to reach the end point, what is the molarity of the KMnO4 solution? Titration of an oxalate sample gave the following percentages: 15.53%, 15.55%, and 15.56%. Calculate the average and the standard deviation. 2. 3. Why does the solution decolorize upon standing after the equivalence point has...
pre
lab
Experiment 23/ Oxidation-Reduction TiHration 207 Prelab Name Section Oxidation-Reduction Titration I. What does it mean to standardize the KMnO, solution? 2. In the titration reaction, which substance is a. reduced? b. axidized? 3. What is the mole ratio of Mno,/C,O in the chemical reaction in this experiment? 4. What is the purpose of the 3 M H,S0, solution? What is the purpose of the manganese(ID) sulfate? 5. Why is it necessary to titrate slowly in this experiment?
Experiment VIII: Oxidation Reduction Lab Report ( 45 pts) tandardization of KMnO, Solution - Mass of Na2C2O4 samples (include units) Sample 1:60-0109 Sample 2:1.0lla Sample3:0-0119 Volume of KMnO, solution used (include units) Sample 1: M ariana Sample 2:01.07ml Sample 3: 1.21 ML 0.70mL Calculate the molarity of the KMnO, solution for Sample 1. Calculate the molarity of the KMnO4 solution for Sample 2. Calculate the molarity of the KMnO4 solution for Sample 3. - Calculate the average molarity of the...
A titration is a procedure for determining the concentration of a solution by allowing it to react with another solution of known concentration (called a standard solution). Acid-base reactions and oxidation-reduction reactions are used in titrations. For example, to find the concentration of an HCI solution (an acid), a standard solution of NaOH (a base) is added to a measured volume of HCl from a calibrated tube called a buret. An indicator is also present and it will change color...
Hi,
can anyone please help me with this? i have no clue how to define
if a reaction is Oxidation reduction or not. Thanks a lot
OXIDATION-REDUCTION Introduction Chemists refer to reactions which involve a transfer of electrons from one reactant to another as oxidation reduction reactions of just "redox" reactions. Oxidation is defined as a loss of electron and reduction as a gain of electron by a substance during a chemical reaction. The loss of electrons by one substance...
Most questions answered within 3 hours.
-
The average length of time between arrivals at a turnpike
toll-booth is 26 seconds. What is...
asked 1 hour ago -
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 2 hours ago -
Please answer true or false. Words
cannot be changed or added in to make it true...
asked 2 hours ago -
An empty test tube weighs 15.923 grams. Then,
MgCl2•6H2O is added into the test tube. After...
asked 2 hours ago -
Assume memory access is 10 units of time and disk access is
10000 units of time....
asked 3 hours ago -
1. Are all good samples random?
2. Magazines often report surveys giving statistics such as “63%...
asked 3 hours ago -
Under all the various types of market structures, firms
must eventually earn some economic profits for...
asked 3 hours ago -
Consider the following fitness regime for a single locus trait
with two co-dominant alleles: w11 =...
asked 3 hours ago -
A large cable company reports the following.
80% of its customers subscribe to its cable TV...
asked 3 hours ago -
Please answer the question in brief.
Discuss the role of ERP in organizations. Are ERP tools...
asked 3 hours ago -
Discuss the pros and cons of collaborative software such
as SameTime. Does it increase productivity? What...
asked 3 hours ago -
Buying your in-laws a gift because it’s expected is
due to the ____________ motive of gift-giving....
asked 3 hours ago