How many coulombs will it take to plate out 15 g of Fe from a solution of FeCl2?

Q: Calculate the charge, in coulombs, is required to deposit 1.5 g of solid magnesium from a solution…

A: The answer to the following question is- Given, mass of magnesium = 1.5 g  Molar mass of magnesium =…

Q: Determine the mass of Sodium (Na) produced when a 373 amp current flows for 7 hr through a cell…

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Q: 7. Which of the following ions has the highest ion mobility in aqueous solution at 298 K? O a)…

A: Ion mobility means the average movement of an ion.

Q: What is the molar ratio between Fe and H2O?

A: Since it is not specified whether the Fe here is Fe(II) or Fe(III), I am considering the reaction of…

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 chemical equations for the preparation of sols : (a) Gold sol by reduction. (b) Fe (OH)3…

A: Write chemical equations for the preparation of sols : (a) Gold sol by reduction. (b) Fe (OH)3

Q: What is the thickness of the ionic atmosphere (in nanometer, nm) for a solution of 0 29 mol/L of KCP…

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Q: d. ClO2→ CIO2 + Cl' in acidic solution

A: We will balance the above reaction by Half reaction method .

Q: (iv) Reduction of VO2+ to produce VO²+ (v) Neutralization of sulfuric acid by barium hydroxide (vi)…

A: (iv) since the reduction reaction means gain of electrons Hence V in VO2+ will gain 1 electron and…

Q: ow many coulombs required to obtain 54 gm of silver metal from its     Solution?

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Q: Many people use a solution of trisodium phosphate, Na3PO4 (commonly called TSP), to clean walls…

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Q: Write a charge balance for H2SO4 in water.

A: Given here H2SO4 present in water and we are asked to write the charge balance for this situation.

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: A0.100 M KCI solution is placed in contact with a 0.100 M LICI solution. Which statements are TRUE…

A: We are here given 0.100 M KCl solution  in contact with 0.100 M LiCl solution the ion mobilities are…

Q: Explain the role of each of the following: (i) NaCN in the extraction of silver. (ii) Si02 in the…

A: Extraction of metals: As metals are found in mines in combined state in ores. It is necessary to…

Q: What is a salt bridge?

A: Salt bridge: Salt bridge is also known as Ion bridge. It is a device used in electro chemistry to…

Q: how do i write the net ionic equation for the formation of Ag2SO4(s)

A: The product of the reaction is shown below,            Ag2SO4

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: Note : Answer Four Questions Only O 1: A-Calculate the number of moles and density of ammonia which…

A: This question is related to cells and solutions.

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: mix 0.5 liters of 0.2 M Cu (OH) 2 solution with 0.625 liters of 0.4 M nitric acid solution. a)…

A: This can be solved by balancing that equation as well as applying stp conditions  which is explained…

Q: Describe how you would prepare 1L of 150.0 ppm Cu2+ using Cu metal.

A: To prepare: 1L of 150.0 ppm Cu2+ using Cu metal. We know that, parts per million (ppm) can be…

Q: How long would it take in minutes to plate 1.00 gram of silver to a watch when 9.2 amps are passed…

A: Mass of silver deposited = m = 1.00 g  Current passed I = 9.2 A Atomic mass of Silver M = 107.8682…

Q: Write equation for the reaction of: (i) Iron with steam(ii) Calcium and potassium with water

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Q: 7. Which of the following ions has the highest ion mobility in aqueous solution at 298 K? * O a)…

A:

Q: Describe how you will prepare 1L of 150.0ppm of Cu2+ using Cu metal

A: The 1.0 ppm is equal to 1 mg of Cu2+ ion in 1.0 L of the solution thus,

Q: What is the molar ratio of Fe(III) ion (Fe3+) to [Fe(SCN)6]3−?

A:

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 weight of KCN is equivalent to 30.00 mL of AGNO3 solution containing 15.00 g/liter (a) by the…

A: In the given problem, the amount of KCN that will be equivalent to 30.00 mL of AgNO3 solution having…

Q: Suggest three ways to increase the rate at which zinc dissolves in sulfuric acid. Use large pieces…

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Q: 5. Sol CaC2O4 is obtained by mixing solutions of CaCl2 and Na2C2O4. Write the formula of the Sol…

A: Electrophoresis is the motion of particles relative to a fluid under the influence of a spatially…

Q: Describe the preparation of a. 600 ml of 5.75% (w/v) aqueous glycerol (C 2 H 5 OH, 46.1 g/mol) b.…

A: The given data contains, Concentration (w/v)% = 5.75% Volume of solution = 600 ml.

Q: (g) Differentiate between hypereutectoid and hypoeutectoid alloys

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Q: A sample of an industrial waste water is analyzed and found to contain 48.6 ppb Ni2+. How many grams…

A:

Q: How many liters of chlorine gas at 0.80 atm and 25°C can be produced by the reaction of 6.0 moles of…

A: Consider the given information is as follows; Volume of chlorine gas at 0.80 atm and 25°C = ?…

Q: Why is nitrate (NO3-) a better electron acceptor than fumarate?

A: The nitric acid ion which belongs to the class of inorganic compounds are known as nitrate. The…

Q: Explain why liquid CO2 cannot exist at 1 atm pressure

A: A phase diagram is a graphical representation of the existence of several phases of a substance and…

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: Calculate the mass, in grams, of CuCl, (MW = 134.452 g/mol) required to prepare 100.0 mL of a 2.02…

A: CuCl2 is an ionic compound which will dissociate completely into ions as per the reaction  =>…

Q: How many milligrams of a preservative are needed 4 fl.oz of a solution containing 0.12%(w/v) of that…

A: given, the volume of solution = 4 fl.oz %(w/v) = 0.12%

Q: What is the molarity of a solution prepared by dissolving 20g of kMnO4 in enough water to make a…

A:

Q: Explain the role of each of the following :(i) NaCN in the extraction of silver(ii) SiO2 in the…

A: To explain the role of each of the following : (i) NaCN in the extraction of silver (ii) SiO2 in the…

Q: 5. If pipes feeding a water fountain were made of copper with lead solder at the junctions, which…

A: 5. Answer - According to the question - Water fountain made up of lead and Cu when exposed to water…

Q: If pipes feeding a water fountain were made of copper with lead solder at the junctions, which metal…

A: In the case of a water fountain made up of lead and copper, when exposed to water; Lead dissolves…

Q: The determination of the impurity of sulfates in potassium chloride, potassium iodide is carried out…

A: Generally, impurities are removed from the making of the precipitate.

Q: 2 litre carbogen (at S.T.P.) is passed through a solution of lime water to get 0.5 g white…

A: Reaction between lime water [Ca(OH)2] and Carbon dioxide [CO2] is  Ca(OH)2+CO2→CaCO3+H2O where CaCO3…

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: How much coulombs will it take to plate out 15 g of Fe from a solution of FeCl2?   a. 51,700.92…

A: When an aqueous solution of FeCl2 is electrolyzed, the deposition of iron will take place on the…