weight of Mn

Q: MGNH&PO4-6H2O has a solubility in water of 0.023 g/100mL. Suppose a student obtains 0.7193 g of…

A: Solution:- Given the solubility of MgNH4PO4.6H2O is 0.023 g/100 mL  Mass of precipitate = 0.7193 g…

Q: A standard solution of FeCl3 was prepared and its molar concentration was determined to be 2.000 M.…

A: Initial moles of FeCl3 = 2.00M × 10.00mL = 20mmoles FeCl3 dissociates into Fe3+ and 3Cl- ions. Thus,…

Q: A solution was prepared by dissolving 1210 mg of K3Fe(CN)6 (329.2 g/mol) in sufficient water to give…

A: Given, mass of K3Fe(CN)6 = 1210 mg = 1.210 g Molar mass of K3Fe(CN)6 = 329.2 g/mol Volume of…

Q: An ore containing magnetite, Fe3O4 was analyzed by dissolving a 1.5419 g sample in concentrated HCl,…

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Q: What is the oxidation state of each element in K,Cr,0,? Cr к What is the oxidation state of each…

A: (a) Oxidation state of each elements in K2Cr2O7 Oxidation state of K = +1 Oxidation state of Cr = +6…

Q: 0.250 g sample of impure CaCl2 is titrated with 40.00 mL  0.105 M AgNO3 solution. Calculate the…

A: Given: 1) Mass of impure CaCl2 = 0.25 g 2) Volume of AgNO3 = 40 mL 3) Concentration of AgNO3 = 0.105…

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

A: The balance chemical equation can be given as below 2Fe3O4 → 3Fe2O3 The formula weight of Fe3O4 =…

Q: What is the molarity of a solution prepared by diluting 25.0 mL of 0.412 M magnesium nitrate to a…

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Q: Write a balanced equation for the reaction of solid copper with silver nitrate solution, then…

A: Given :-  Cu(s) + AgNO3(aq) →  Molarity of silver nitrate solution = 2.2 M  Volume of silver nitrate…

Q: 0.9545 g of calcium nitrate salt, Ca(NO3)2, is weighed, dissolved in concentrated HCl solution and…

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Q: Write the symbol for:  a) one metal in period 4 that can have multiple oxidation states:    b)…

A: The transition metals show the variable oxidation states. In the transition element, the electrons…

Q: A solution was prepared by dissolving 511 mg of Na,Fe(CN), (M = 303.91 g/mol) in sufficient water to…

A: c Weight/volume percentage is-     W/V%=mass of solutegvolume of solution mL×100…

Q: Is there a way to predict how much electrical force is required to exactly balance the tendency of…

A: Electrical force is defined as the force between two charge species.electrial force between two…

Q: When hydrogen sulfide gas is bubbled through a solution of lead (II) nitrate a black precipitate of…

A: A balanced chemical equation states that the number of elements in the reactant side is equal to the…

Q: 185 mL of 0.355 M NaCl is added to a 0.500 L volumetric flask and the flask is filled with water.…

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Q: An AGNO3 solution with NaCI equivalent of 5,972 mg / ml is used as a titrant in volumetric analysis.…

A: The question is based on concept of volumetric titration. It involves estimation of Chloride in the…

Q: How many grams of nickel (II) phosphate (366.02 g/mol) will precipitate if excess sodium phosphate…

A: The balanced equation for the reaction is given below.

Q: С. Determine the temperature at which 67.5 g K2SO4 will dissolve in 450.0 g H2O to forma saturated…

A: 4c. The given data for the solubility of grams K2SO4 in 100 grams H2O at varying temperatures is…

Q: 7. An impure sample of NagSO, weighed 1.562 g. A BASO, precipitate from this sample weighed 2.496 g.…

A: Chemical equation: Na2SO4  +   BaCl2   ------>   BaSO4  +  2NaCl Number of moles of BaSO4 =…

Q: A solution was prepared by dissolving 367 mg of K3Fe(CN)6 (329.2 g/mol) in sufficient water to give…

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Q: Write the balanced net ionic equation for the precipitation of silver (I) carbonate from aqueous…

A: The net ionic equation for the precipitation of silver (I) carbonate from aqueous solutions: It can…

Q: The mass of K3PO4 needed to prepare 250.0mL of an aqueous solution in which PO4-3 concentration is…

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Q: platinum in this solution as well as b) the molar concentration of the platinum in this solution.…

A: volume by volume percentage of the solution is the way to quantify the amount of the solute present…

Q: Explain why limestone (CacO3) would dissolve more readily in an aqueous solution that has continuous…

A: Limestone (CaCO3) would dissolve more readily in aqueous solution that has a continuous bubbling of…

Q: A silver nitrate solution contains 14.77 g of primary standard AgNO, , in 1.00 L what volume of this…

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Q: A sample is known is known to consist of NaOH (40 g/mol) or NaHCO3 (84 g/mol), or Na2CO3 (106 g/mol)…

A: Given that : The sample contains : NaOH (40 g/mol) or NaHCO3 (84 g/mol), or Na2CO3 (106 g/mol) or…

Q: 29. How much 0.600 N base must be added to 750 mL of a 0.200 N base in order for the solution to be…

A: (29) The Molarity formula of Mixture of two same type of Solution with different concentrations is -…

Q: Calculate the volume in (mL) required to prepare 50.0 ml that are 0.0535 M in NO, from a 7.88%(w/w)…

A: To determine volume required to prepare50mL of 0.0535 M solution in NO3-

Q: When silver nitrate solution is added to two salt solutions (A) and (B), A ppt. is formed with salt…

A: Given statement is : When silver nitrate solution is added to two salt solutions (A) and (B), A ppt.…

Q: What is the molar concentration of K + in a solution that contains 63.3ppm of K 3 Fe(CN) 6 ?

A: ppm = mass of solute×106volume of solution

Q: The Inner Harbor is monitored for heavy metal contaminants. One of these is Pb<* because of its…

A: In order to calculate the concentration of Pb2+ in ppm, we need to know first the mass of Pb2+ ions…

Q: Describe the preparation of 2.000L of 0.0500o mol/L silver nitrate AgNO, (169.87 g/mol) from the…

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Q: What mass of precipitate is produced when 130.0 mL of 0.150 M Cu(NO3)2 is mixed with 150.0 mL of…

A: Precipitation reaction is a double displacement reaction in which two soluble salts reacts with each…

Q: Ores are analyzed by dissolving some of the ore and then performing an analysis of a metal…

A: The total mass of ore is 14.1960 g. The volume of titrant MnO4- added to reach endpoint is 35.32 mL.…

Q: write the balanced equation for Lead (II) Nitrate & Ammonium Acetate. What is the white precipitate…

A: The reactants given are   Lead (II) Nitrate = Pb(NO3)2  Ammonium Acetate = CH3COONH4

Q: What mass of Na2CrO4  is required to precipitate all of the silver ions from 20.0 mL of a 0.700 M…

A: Given: Volume of AgNO3 = 20.0 mL = 0.02 L Concentration of AgNO3 = 0.700 M   Chemical reaction…

Q: 1, What is the gravimetric factor for converting a weight of silver chloride, AgCl (MM=143.321…

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Q: Based on the schematic diagram below, which compound is represented by AB? AB compound NH,NO3 ANO3…

A: Given that, a compound AB. We have to determine the compound AB.

Q: If 0.15g of Calcium hydroxide is needed in preparing 50mL of Calcium hydroxide topical solution,…

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Q: The equation for the reaction by which a sodium cyanide solution dissolves gold from its ore is…

A: The no of moles of any substance is the ratio of their given mass to the molar mass of that…

Q: If 0.235 g of KHP requires 16.73 mL of NaOH solution to nuetralize it, calculate the molarity of the…

A: In case of acids:n-factor can be defined as the number of H+ ions (hydrogen ions) that are replaced…

Q: A sample of solid Ca(OH)2 was stirred in water at a certain temperature until the solution contained…

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Q: A 1.50 g sample of KCl is dissolved in 36.0 mL of water. The resulting solution is then added to…

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Q: Fe (55.85 g/mol) is precipitated as Fe(OH)3 (106.87 g/mol) which is typically ignited to form Fe2O3…

A: Given: Volume of solution = 2.00 L = 2000 mL                                         (Since 1 L =…

Q: A silver nitrate solution contains 6.57 g of primary standard AgNO, (MM = 169.87 g/mol) in 1.00 L.…

A: Mass of NaCl = 0.0217 g  Molar mass of NaCl = 58.44 g/mol   No. of moles of NaCl  =  mass / molar…

Q: What mass (in grams) of Na2S2O3 is needed to dissolve 0.44 g of AgBr in a solution volume of 1.0 L,…

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Q: A sample of an industrial waste water is analyzed and found to contain 27.0 ppb Cr³+. How many grams…

A: Given that -  ppb Concentration of Cr3+ in industrial waste water = 27.0 ppb  Total mass of waste…

Q: In one experiment, 0.2480 g sample of CaCO3 was dissolved in an acidic solution. The calcium was…

A: Given data,Mass of sample=0.2480gMass of CaC2O4.H2O=0.3084g