Sam and Bob are conducting an investigation to determine the empirical formula of iron oxide. They start with an 85.65g piece of iron metal and burn it in air. …
DetailsThe iron (iii) oxide, Fe_2O_3 reacts with CO to give iron and CO_2 Fe_2O_3 + 3CO →2Fe +3CO_2 The reaction of 480.0 g Fe_2O_ with excess of CO yields 252.0 g iron. Thus.percentage yeld is (Fe = 55) a. 100.0
DetailsLimiting reagent tutorial. Stoichiometry Menu. Problem #11: The equation for the reduction of iron ore in a blast furnace is given below. (a) How many kilograms of iron can be …
DetailsTo determine the amount of iron ore needed to obtain 454.0 grams of Fe, we can use the given information that the iron ore sample is 35.00% Fe by mass. 1. Calculate the mass of Fe in the ore sample: - If the ore sample is 35.00% Fe by mass, then for every 100 grams of ore, there are 35 grams of Fe.
DetailsQuestion: An ore is analyzed for the Iron content by converting the Iron to Fe (OH), and weighing it. If a 1.52 g sample yields 0.126 g of Fe2O3, the percent of Fe3O4 in the sample will be: [Fe-56, 0-16] A 21.15% B) 5.52% 8.01% 1.5296 . …
DetailsThe amount of Fe in a pure iron ore sample is to be determined gravimetrically by isolating it as Fe2O3 (159.7 g/mol). How many grams of sample should be taken to ensure that 5 …
Details"Fe"_3"O"_4 So, if you assume that all the mass of iron took part in the reaction, you can say that the difference between the mass of the product and the mass of iron will represent the mass of oxygen. m_"product" = m_"iron" + m_"oxygen" m_"oxygen" = "118.37 g" - "85.65 g" = "32.72 g" Now that you know how much iron and how much …
DetailsFe 2 O 3 is the chief iron ore used in production of iron metal. FeO is nonstoichiometric. Magnetite is the most magnetic of all the naturally occurring minerals on Earth. Naturally magnetized pieces of magnetite, called lodestone, will attract small pieces of iron. ... 3 FeO(s) → 3 Fe(s) + 1.5 O 2 (g) ...
DetailsIron ore yields metallic iron (Fe) when heated in the presence of a reducing agent such as coke. Iron ore usually consists of iron oxides and carbonates. Its most important mineral forms are magnetite (Fe 3 O 4, 72.4% Fe), hematite (Fe 2 O 3, 69.9% Fe) and siderite (FeCO 3, 48.29% Fe).
DetailsExpert Solution. Step 1. Given that, Mass of ore sample = 33.5 metric ton. Mass of iron = 2.95 metric ton. Step by step. Solved in 2 steps with 1 images. UNLOCK THE REST. …
DetailsIn this case, iron (III) oxide has a molar mass of "159.7 g mol"^(-1) and carbon monoxide has a molar mass of "28.01 g mol"^(-1). Right from the start, you should be able to tell that iron(III) oxide will be the limiting reagent because you have significantly more moles of carbon monoxide in "2.00 kg" than moles of iron(III) oxide in "2.00 kg".
DetailsAn iron ore sample contains Fe2O3 together with other substances. Reaction of the ore with CO produces iron metal: Fe2O3( s)+3_CO(g)→…2_Fe(s)+3−CO2( g) a. Balance this equation b. Calculate the number of grams of Fe formed when 75.6 g of CO reacts with excess Fe2O3. 301.46g c. Calculate the number of grams of CO2 formed when 75.6 g …
DetailsQuestion: A certain ore yields an average of 60% iron. How much ore is needed to obtain 1,140lb of iron? A certain ore yields an average of 60% iron. How much ore is needed to obtain 1,140lb of iron? There are 2 steps to solve this one. Step 1. Aver... View the full answer. Step 2. Unlock.
DetailsAn iron ore sample contains Fe2O3 plus other impurities. A 752-g sample of impure iron ore is heated with excess carbon, producing 453 g of pure iron by the following reaction; The amount of Fe in a 2.0008 g sample of iron ore was determined by a redox titration with K 2 Cr 2 O 7 .
DetailsIf .18 g of iron (III) oxide reacts with 0.11 g of carbon monoxide, how many grams of iron would be produced? Chemistry Stoichiometry Stoichiometry. 1 Answer anor277 May 20, 2016 #Fe_2O_3(s) + 3CO(g) rarr 2Fe(l) + 3CO_2(g)# Explanation: #"Moles of ferric oxide "=(0.18*g)/(159.69*g*mol^-1)# #=# #1.13xx10^-3*mol" metal …
Details1. A laboratory test of 18.0 grams of iron ore yields 7.36 grams of iron.If the iron compound in the ore is Fe 3 O 4 and it is converted to the pure metal by the reaction Fe 3 O 4 (s) + 2 C(s) 3 Fe(s) + 2 CO 2 (g), what is the percentage of Fe 3 O 4 in the ore?. 2. Carborundum, SiC, is widely used as an abrasive in industrial grinding wheels. It is …
DetailsA chemical engineer determines the mass percent of iron in an ore sample by converting the Fe to Fe2+ in acid and then titrating the Fe2+ with MnO4-. A 1.0373 g sample was dissolved in acid and then titrated with 25.0 mL of 0.01183 M KMnO4. The balanced equation is given below. 8H+(aq) + 5Fe2+(aq) + MnO4-(aq) 5Fe3+(aq) + Mn2+(aq) + …
DetailsA 2.6540-g sample of an iron ore, known to be 53.51% w/w Fe, is dissolved in a small portion of concentrated HCl and diluted to volume in a 250-mL …
DetailsA sample of an impure iron ore is approximately 55% w/w Fe. ... Determine the %w/w As 2 O 3 in a 1.627-g sample of insecticide if it yields 106.5 mg of Mg 2 As 2 O 7. 14. After preparing a sample of alum, ... undergoing a weight loss of 7.10 mg. A 29.6-mg sample of impure KO 3 experiences a 4.86-mg weight loss when treated under similar …
DetailsA 2.6540-g sample of an iron ore, known to be 53.51% w/w Fe, is dissolved in a small portion of concentrated HC1 and diluted to volume in a 250-mL volumetric flask. A …
DetailsCHEM-PROBLEM-SOLVING-.5-2235.docx - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. 1) The document provides calculations to determine chemical factors and percentages based on chemical equations and sample compositions. 2) It gives examples of calculating amounts of substances needed or …
DetailsThe amount of Fe in a 0.4891-g sample of an ore was determined by a redox titration with K2Cr 207. The sample was dissolved in HCl and the iron brought into the +2 oxidation state using a Jones reductor. Titration to the diphenylamine sulfonic acid end point required 36.92 mL of 0.02153 M K Cr 207. Report the iron content of the ore as %w/w
Details21. A 2.6540-g sample of an iron ore, which is 53.51% w/w Fe, is dissolved in a small portion of concentrated HCl and diluted to volume in a 250-mL volumetric flask. A spectrophotometric determination of the concentration of Fe in this solution yields results of 5840, 5770, 5650, and 5660 ppm.
DetailsSouth Africa is one of the world's largest ion ore producers. From the reaction below, answer the following questions on the iron ore extraction Fe2O3(s) + c(s) - Fe(l) + CO2(g) a.
DetailsProblem #2: Potassium dichromate is used to titrate a sample containing an unknown percentage of iron. The sample is dissolved in H 3 PO 4 /H 2 SO 4 mixture to reduce all of the iron to Fe 2+ ions. The solution is then titrated with 0.01625 M K 2 Cr 2 O 7, producing Fe 3+ and Cr 3+ ions in acidic solution. The titration requires 32.26 mL of K 2 Cr 2 O 7 …
DetailsA 2.6540-g sample of an iron ore, which is 53.51% w/w Fe, is dissolved in a small portion of concentrated HCl and diluted to volume in a 250-mL volumetric flask. A …
Details"34.0 g Fe" contains "0.609 mol Fe". Determine the molar mass of iron. Then divide the given mass by its molar mass, or multiply the given mass by the reciprocal of the molar mass, which is more common. Molar mass is the mass of one mole of an element or compound. "1 mol Fe"="55.845 g Fe" lArr from periodic table Another way to indicate …
DetailsCopper (II) nitrate contains water of crystallization and the full formula of the salt is of the type Cu(NO3)2. xH2O: 1 mole of Cu(NO3)2. xH2O will produce 1 mol of CuO The following experiment was carried out to find "x" . A 5.92 g sample of the salt Cu(NO3)2. xH2O was heated to leave 1.60 g of copper (II) oxide.
DetailsThe number of grams of ore that is needed to obtain 454.0 grams of Fe is 1297 grams. The answer was achieved by dividing 454.0 grams by 35 percent.
DetailsA 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3 (159.69 g/mol). A second sample of iron ore, labeled B, weighed 1.750 g and gave 0.5097 g of pure Fe2O3. What is the %Fe in …
DetailsPE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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