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You
have standardized your KMnO4- solution and the molarity is
0.03251M. You used 17.98ml to reach...
suppose you have an unknown sample containing Fe^2+, and you titrate it with KMnO4 standard solution....
suppose you have an unknown sample containing Fe^2+, and you
titrate it with KMnO4 standard solution. Calculate the percent of
Fe in your sample.
equation: MnO4- + 5Fe^2+ + 8H^+ --> Mn^2+ + 5Fe^3+ +
4H2O
Suppose you have an unknown sample containing Feat, and you titrate it with a KMnO4 standard solution. Calculate the percentage of Fe in your sample. Equation: MnO(+5Fe2+ + 8H - Mn2+ + 5Fe3+ + 4H20 Data 0.08124M 2.49g Molarity of the KMnO4 standard solution:...
QUESTION 1 Minnie Mouse did the Ka by Titrimetry experiment last week. Minnie used 28.63 mL...
QUESTION 1 Minnie Mouse did the Ka by Titrimetry experiment last week. Minnie used 28.63 mL of 0.136 M sodium hydroxide to reach the equivalence point when she titrated 0.3062 g of an unknown monoprotic acid. What is the number of moles of acid that were used? QUESTION 2 The Iron in a sample of iron ore can be converted completely to Fe2+ in aqueous solution, and this solution can then be titrated with KMnO4, as shown: MnO4(q) + 6...
Unknown Number: Molarity of KMnO4 Solution: O.0200 Trial 1 Trial 2 Trial 3 Tr Weight of Oxalate ....
please help with trial 1
Unknown Number: Molarity of KMnO4 Solution: O.0200 Trial 1 Trial 2 Trial 3 Tr Weight of Oxalate .35 89 89 Unknown Starting Buret Reading d not Ending Buretm 34.3 ork Reading 5 m 34.3 Used mmole of MnO4 mmole of C204 Weight of Na2C204 in Unknown: Percent Na2C20, in Unknown:
Unknown Number: Molarity of KMnO4 Solution: O.0200 Trial 1 Trial 2 Trial 3 Tr Weight of Oxalate .35 89 89 Unknown Starting Buret Reading d...
Molarity of your standardized KMnO4 solution : 0.0200 M Experiment Number #1 #2 #3 #4 Mass...
Molarity of your standardized KMnO4 solution : 0.0200 M Experiment Number #1 #2 #3 #4 Mass of sample (g) 0.134 0.152 0.129 0.143 Volume of KMnO4 required (mL) : 17.70 12.90 14.20 14.70 Volume of blank titration (mL) : 0.0500 0.0500 0.0500 0.0500 Calculate the corrected volumes for KMnO4: Experiment Number #1 #2 #3 #4 Corrrected Volume (mL) Calculate the moles of KMnO4 added : Experiment Number #1 #2 #3 #4 Moles KMnO4 (moles) Calculate the moles of C2O42− in...
Molarity of your standardized KMnO4 solution : 0.0200 M Experiment Number #1 #2 #3 #4 Mass...
Molarity of your standardized KMnO4 solution : 0.0200 M Experiment Number #1 #2 #3 #4 Mass of sample (g) 0.142 0.136 0.155 0.140 Volume of KMnO4 required (mL) : 14.70 16.80 12.10 13.40 Volume of blank titration (mL) : 0.0500 0.0500 0.0500 0.0500 1) Balance the equation below for the reaction between MnO4− and C2O42−. 2) Calculate the corrected volumes for each experiment for KMnO4: 3)Calculate the moles for each experiment of KMnO4 added : 4)Calculate the moles in each...
Molarity of your standardized KMnO4 solution : 0.0200 M Experiment Number #1 #2 #3 #4 Mass...
Molarity of your standardized KMnO4 solution : 0.0200 M Experiment Number #1 #2 #3 #4 Mass of sample (g) 0.160 0.155 0.132 0.149 Volume of KMnO4 required (mL) : 17.00 12.10 13.40 13.90 Volume of blank titration (mL) : 0.0500 0.0500 0.0500 0.0500 Calculate the corrected volumes for KMnO4: Experiment Number #1 #2 #3 #4 Corrrected Volume (mL) Calculate the moles of KMnO4 added : Experiment Number #1 #2 #3 #4 Moles KMnO4 (moles) Calculate the moles of C2O42− in...
Spring 2019 CSUSM CHEM 175 8. Which statements are true? Select ALL. that apply. a) Dissolution of ammonium nitrate is an endothermic reactio b) Hydrogen gas evolves when calcium carbonate reacts...
Spring 2019 CSUSM CHEM 175 8. Which statements are true? Select ALL. that apply. a) Dissolution of ammonium nitrate is an endothermic reactio b) Hydrogen gas evolves when calcium carbonate reacts with hydrochloric acid. c) The acid-base neutralization reaction is exothermic. ) The value of enthalpy change, AH, of calcium chloride dissolution is positive. sample contains an unknown amount of Fe?'which is titrated with a KMnO, solution in acidie tions to determine the iron composition by mass. A standardized KMnOs...
The Fe2+ (55.845 g/mol) content of a 2.264 g steel sample dissolved in 50.00 mL of...
The Fe2+ (55.845 g/mol) content of a 2.264 g steel sample dissolved in 50.00 mL of an acidic solution was determined by tiration with a standardized 0.120 M potassium permanganate (KMnO4, 158.034 g/mol) solution. The titration required 44.82 mL to reach the end point. What is the concentration of iron in the steel sample? Express your answer as grams of Fe per gram of steel Mn2+5 Fe34 H20 + 5 Fe2+ MnO8 H concentration g Fe/g steel A 1.969 g...
The Fe2+ (55.845 g/mol) content of a 2.370 g steel sample dissolved in 50.00 mL was...
The Fe2+ (55.845 g/mol) content of a 2.370 g steel sample dissolved in 50.00 mL was determined by tiration with a standardized 0.120 M potassium permanganate (KMnO4, 158.034 g/mol) solution. The titration required 39.51 mL to reach the end point. What is the concentration of iron in the steel sample? Express your answer as grams of Fe per grams of steel (g Fe2+1 g steel). Mno, +8H+ + 5Fe2+ = Mn2+ + 5Fe'+ + 4H,0 Number g Fe2+1 g steel
The Fe2+ (55.84555.845 g/mol) content of a 2.028g steel sample dissolved in 50.00mL of an acidic solution was determined...
The Fe2+ (55.84555.845 g/mol) content of a 2.028g steel sample dissolved in 50.00mL of an acidic solution was determined by tiration with a standardized 0.130 M potassium permanganate (KMnO4KMnO4, 158.034 g/mol) solution. The titration required 36.61 mL to reach the end point. What is the concentration of iron in the steel sample? Express your answer as grams of Fe per gram of steel. MnO−4+8H++5Fe2+↽−−⇀Mn2++5Fe3++ concentration: ______________ g Fe/g steel
suppose you have an unknown sample containing Fe^2+, and you
titrate it with KMnO4 standard solution. Calculate the percent of
Fe in your sample.
equation: MnO4- + 5Fe^2+ + 8H^+ --> Mn^2+ + 5Fe^3+ +
4H2O
Suppose you have an unknown sample containing Feat, and you titrate it with a KMnO4 standard solution. Calculate the percentage of Fe in your sample. Equation: MnO(+5Fe2+ + 8H - Mn2+ + 5Fe3+ + 4H20 Data 0.08124M 2.49g Molarity of the KMnO4 standard solution:...
QUESTION 1 Minnie Mouse did the Ka by Titrimetry experiment last week. Minnie used 28.63 mL of 0.136 M sodium hydroxide to reach the equivalence point when she titrated 0.3062 g of an unknown monoprotic acid. What is the number of moles of acid that were used? QUESTION 2 The Iron in a sample of iron ore can be converted completely to Fe2+ in aqueous solution, and this solution can then be titrated with KMnO4, as shown: MnO4(q) + 6...
please help with trial 1
Unknown Number: Molarity of KMnO4 Solution: O.0200 Trial 1 Trial 2 Trial 3 Tr Weight of Oxalate .35 89 89 Unknown Starting Buret Reading d not Ending Buretm 34.3 ork Reading 5 m 34.3 Used mmole of MnO4 mmole of C204 Weight of Na2C204 in Unknown: Percent Na2C20, in Unknown:
Unknown Number: Molarity of KMnO4 Solution: O.0200 Trial 1 Trial 2 Trial 3 Tr Weight of Oxalate .35 89 89 Unknown Starting Buret Reading d...
Spring 2019 CSUSM CHEM 175 8. Which statements are true? Select ALL. that apply. a) Dissolution of ammonium nitrate is an endothermic reactio b) Hydrogen gas evolves when calcium carbonate reacts with hydrochloric acid. c) The acid-base neutralization reaction is exothermic. ) The value of enthalpy change, AH, of calcium chloride dissolution is positive. sample contains an unknown amount of Fe?'which is titrated with a KMnO, solution in acidie tions to determine the iron composition by mass. A standardized KMnOs...
The Fe2+ (55.845 g/mol) content of a 2.264 g steel sample dissolved in 50.00 mL of an acidic solution was determined by tiration with a standardized 0.120 M potassium permanganate (KMnO4, 158.034 g/mol) solution. The titration required 44.82 mL to reach the end point. What is the concentration of iron in the steel sample? Express your answer as grams of Fe per gram of steel Mn2+5 Fe34 H20 + 5 Fe2+ MnO8 H concentration g Fe/g steel A 1.969 g...
The Fe2+ (55.845 g/mol) content of a 2.370 g steel sample dissolved in 50.00 mL was determined by tiration with a standardized 0.120 M potassium permanganate (KMnO4, 158.034 g/mol) solution. The titration required 39.51 mL to reach the end point. What is the concentration of iron in the steel sample? Express your answer as grams of Fe per grams of steel (g Fe2+1 g steel). Mno, +8H+ + 5Fe2+ = Mn2+ + 5Fe'+ + 4H,0 Number g Fe2+1 g steel
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