3. Iron in an ore is to be analyzed gravimetrically by weighing as Fe2O3. If 1.25 g sample yielded 0.85 g precipitate (Fe2O3), what is the percent iron in the ore.

Q: Many metal ions are precipitated from a solution by the sulfide ion. As an example, consider…

A:

Q: A 0.702 g0.702 g mixture containing only sodium chloride and potassium chloride was dissolved in…

A: First calculate mole of each substance by dividing molar mass to the mass then calculate mole of…

Q: If 0.326 g of aluminum chloride dissolved in water and the whole solution was reacted with excess…

A: Part a)  The reaction for  the given statement is: AlCl3(aq)  + 3AgNO3(s) →3AgCl (s)+…

Q: Barium hydroxide solution is mixed with lithium phosphate solution at room temperature If 300 mL of…

A: 300 ml of 0.5 M barium hydroxide were mixed with 200 ml of 0.5 M lithium phosphate. Precipitation…

Q: The Student is required to determine the concentration of a basic NaOH by using the primary standard…

A: KHP , also called as Potassium Hydrogen Phthalate is a salt which is acidic in nature. It is a mono…

Q: impure

A: moles of AgCl = ( mass / molar mass of AgCl )  moles of AgCl = ( 0.9805g / 143.32gmol-1 )  moles of…

Q: How many grams of Ag2CO3 will precipitate when excess K2CO3 solution is added to 49.0 mL of 0.598 M…

A: Given;

Q: How many grams of Cu(OH)2 will precipitate when excess NaOH solution is added to 51.0 mL of 0.731 M…

A:

Q: Calculate the volume (mL) of 1.0 M metal nitrate solution required to prepare 5.0 g of the COPPER…

A: The balanced chemical equation is, Cu(NO3)2 ---> Cu2+ + 2NO3- From this reaction we can conclude…

Q: 4. A student is given the task of determining the I content of tablets that contain KI and an inert,…

A: Note - Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: If 33.4 g of CH3OH (MM = 32.04 g/mol) are dissolved in 500.0 mL of solution, what is the…

A: Given, amount of CH3OH =33.4 gMolar mass of CH3OH =32.04 g/molVolume of solution =500.0 mL =0.5 Lwe…

Q: How many grams of PbBr2 will precipitate when excess BaBr2  solution is added to 78.0 ml of 0.524 M…

A: Recall the reaction that will occur here PbNO32 + BaBr2 →PbBr2 + BaNO32 Given that 78.0 ml of 0.524…

Q: percentage KCl

A:

Q: Solid sodium carbonate is slowly added to 175 mL of a 0.279 M barium sulfide solution until the…

A:

Q: what mass of iron (III) hydroxide percipitate can be produced by reacting 86.0 mL of 0.110M iron…

A: Reaction is given below:

Q: What mass of Naz CrO4 is required to precipitate all of the silver ions from 45.0 mL of a 0.600 M…

A: Given : Concentration of AgNO3 = 0.600 M Volume of AgNO3 solution = 45.0 mL = 0.045 L…

Q: How many grams of Ag,CO3 will precipitate when excess (NH4)½CO3 solution is added to 57.0 mL of…

A: Given  Molarity of AgNO3  =  0.561 M                                  = 0.561 mol/L  Volume = 57  mL…

Q: What mass of iron(III) hydroxide precipitate can be produced by reacting 75.0 mL of 0.105 M…

A: Number of moles of a substance can be calculated by using Molarity ( M ) and volume of solution ( V…

Q: What mass of precipitate (in g) is formed when 20.5 mL of 0.500 M Cu(NO₃)₂ reacts with 24.0 mL of…

A: Cu(NO₃)₂ + 2 NaOH = Cu(OH)2 + 2 NaNO3. From the above chemical equation we can see that , 1 mol…

Q: Silver in an ore is determined gravimetrically by precipitating the silver as silver chloride. What…

A:

Q: Solid ammonium sulfite is slowly added to 150 mL of a 0.140 M silver fluoride solution until the…

A:

Q: If 41.5 g of CH₃OH (MM = 32.04 g/mol) are dissolved in 500.0 mL of solution, what is the…

A: The molarity of the solution is defined by the mole of solute present in one liter of solution. The…

Q: What is the dilution factor that gave the following solutions from Solution S? (i) Solution 1: (ii)…

A:

Q: A solution of 300.0 mL of 0.150 M Nickel (II) sulfate is mixed with a solution of 100.0 mL of 0.200…

A:

Q: 50mL of a 0.6M Pb(NO,), is mixed with an excess of Nal solution. What mass of precipitate would you…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A 110.520 g sample of mineral water is analyzed for its magnesium content. The Mg+ in the sample is…

A: ppm refers to parts per million which is a unit to express the concentration. It can be expressed as…

Q: 24.9 mL of 0.122 M copper(II) sulfate reacts with 17.8 mL of 0.101 M sodium hydroxide to form a…

A:

Q: What is the minimum number of mL of 0.123 M potassium sulfide required to precipitate all of the…

A: Given Volume and concentration of Fe(NO3)3 are 86.67 mL and 0.42 M respectively. Concentration of…

Q: If 45.6 g of CH₃OH (MM = 32.04 g/mol) are dissolved in 500.0 mL of solution, what is the…

A: Given,  45.6 g of CH₃OH (MM = 32.04 g/mol) are dissolved in 500.0 mL of solution

Q: What volume of 0.100 M NAOH is required to precipitate all of the nickel (II) ions from 150.0 mL of…

A: Reaction for the above query will be :  2NaOH(aq) + Ni(NO3)2 (aq) ------> 2NaNO3(aq) + Ni(OH)2(s)…

Q: A solution of 100.0 mL of 0.200 M KOH is mixed with a solutionof 200.0 mL of 0.150 M NiSO4. (a)…

A:

Q: A) If 500 mL of .300 M silver nitrate are mixed with 200mL of 0.5 M calcium chloride, how many grams…

A: In a balanced equation, the number of atoms on both sides of the equation should be identical. The…

Q: When CuSo4(aq) and ZnCl2 (aq) are mixed will there be a precipitate? If so what is it and what are…

A: The answer is given as follows

Q: What mass of Na2 CrO4 is required to precipitate all of the silver ions from 85.0 mL of a 0.300 M…

A: Given : molarity of AgNO3 solution = 0.300 M or 0.300 mol/L  Volume of AgNO3 solution = 85.0 mL  To…

Q: 38 mL volume of 1.74 M Fe(NOa)a is mixed with 43 mL of 0.98M Fe(NOa solution. Calculate the molar…

A:

Q: You can test For the presence of chloride ions in a sample of water by adding silver nitrate AgNO3,…

A: Given,         CaCl2(aq) + 2AgNO3 (aq)  -------> 2 AgCl (s)+ Ca(NO3)2 (aq) CaCl2 = 1.50 g ,  mass…

Q: When 6.881 g of MgCl2 and NaCl mixture is dissolved in 500 mL of distilled water and 50 mL of AgNO3…

A: step: 1 of 8 In a given problem,  contains, therefore,  is produced by. Thus, the moles of  can be…

Q: Reaction 2: Precipitating Cu(OH)2(s) with NaOH(aq)   Balanced Formula Equation with states of…

A: as the given question, precipitating reaction, Cu(OH)2  with NaOH to give a product and salt will…

Q: Q1 :- How many grams of Ag are contained in a precipitate of AgCl that weights 0.3 g? Atomic weights…

A: Given: mass of AgCl=0.3g To find: mass of Ag contained in a precipitate of AgCl

Q: 12.63 g sample of calcium ore was dissolved in HCI and gravimetrically analyzed, through the…

A: Theoritically :- 1 mole CaCO3 is giving 1 mole of Ca., n(Ca) = n(CaCO3) Moles of CaCO3 = mass of…

Q: A sample that weighed 0.8112 g is analyzed for phosphorus (MM= 30.9738 g/mol) content by…

A: The question is based on quantitative analysis. we have to quantitatively estimate the percentage…

Q: a 50.00-mL solution containing NaBr was treated with excess AgNO3 to precipitate 0.2146 g of AgBr…

A:

Q: Fe3+ in 50 mL solution, which is known to contain Fe3+, was precipitated as Fe(OH)3 and after…

A: Given that V = 50.0 mL Mass of Fe2O3 = 0.3994 g

Q: Barium can be analyzed by precipitating it as BaSO4BaSO4 and weighing the precipitate. When a  0.265…

A:

Q: To determine the amount of magnetite, Fe3O4, in an impure ore, a 1.5419 g sample is dissolved in…

A:

Q: When concentrated CaCl2 (aq) is added to NazHPO, (aq), a white precipitate forms that is 38.7% Ca by…

A: 1. During a chemical reaction,  if two ions, having different reactivity exchanges there position…

Q: Calculate the mass of MgCO3 precipitated by mixing 10.00 mL of a 0.200 M Na2CO3 solution with 5.00…

A: Given: Volume of Na2CO3     = 10.00 mL Molarity of Na2CO3    = 0.200 M Volume of Mg(NO3)2  = 5.00 mL…

Q: 0.6113 g sample of Dow metal, containing aluminum, magnesium, and other metals, was dissolved and…

A: Mass of sample = 0.6113 g Mass of mixture of Al(C9H6NO)3 and Mg(C9H6NO)2 = 7.8154 g Mass of mixture…