1. A current of 4.84 A4.84 A is passed through a Cr(NO3)2Cr(NO3)2 solution for 1.10 h1.10 h. How much chromium is plated out of the solution?

Q: An unknown metal M forms a soluble compound, M(NO3)3. A solution of M(NO3)3 is electrolyzed. When a…

A: The deposition is M+3 (aq) + 3e– ------> M (s)Number of moles of electrons = 3 × number of moles…

Q: 6b. How long does it take to deposit a coating of gold 1.00 picometers thick on a disk-shaped…

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Q: A current of 10.0 amperes flows for 2.00 hours through an electrolytic cell containing a molten salt…

A: According to the reaction given, we have  Xn+ (aq) + ne-→X (s) t=2 hours=7200 sec (since 1 hr =3600…

Q: A current of 3.12 A3.12 A is passed through a Sn(NO3)2Sn(NO3)2 solution for 1.20 h1.20 h. How much…

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Q: A current of 4.21 A is passed through a N i ( N O 3 ) 2 solution. How long, in hours, would this…

A: Current (I) = 4.21 A  Mass of nickel deposited (m) = 4.50 g

Q: A current of 3.37 A is passed through a Cu(NO3)2Cu(NO3)2 solution for 1.30 h. How much copper is…

A: Given, the current = 3.37 A Time = 1.30 hour Now change the current (From A to C/s) and time (min…

Q: A constant current of 0.912 A is passed through an electrolytic cell containing molten MgCl2 for…

A: According to the Faraday's first law of electrolysis, the amount of any substance deposited at the…

Q: A current of 5.26 A is passed through a Pb(NO3)2 solution for 1.20 h. How much lead (in g) is plated…

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Q: How long will it take to plate out 3.0 g Ni from aqueous Ni2+ with a current of 113.1 A? HOW DO WE…

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Q: A current of 11.3 A is applied to 1.25 L of a solution of 0.552 M HBr converting some of the H+ to…

A: Equivalents of H+ ions reduced = QF=I×t96500=11.3 ×73 ×6096500= 0.513 Total equivalents of H+ ions…

Q: How long must a current of 20.0 amps be applied to a solution of CrCl3 to produce 175 g of Cr (s)…

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Q: How long (in hours) must a current of 4.61 amps be passed to produce 79.5 g of copper metal from a…

A: Given:: Current i= 4.61 A  Mass of Cu = 79.5 g  Molar mass of Cu= 63.55 g mol-1 Time t= ?

Q: 5. Consider the following reactions: 3 Ni 2"taq) + 2Cr(OH)3 (s) + 10 OH ¯ (aq) → 3 Ni (s) + 2 CrO4…

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Q: Calculate the mass of cobalt plated onto the cathode of an electrolytic cell by a current of 15.0 A…

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Q: A current of 4.71 A is passed through a Sn(NO3)2 solution. How long, in hours, would this current…

A: Given,Amount of current = 4.71 AMass of tin plate out = 5.10 gRequired,                   The time…

Q: A current of 4.15 A is passed through a Pb(NO3)2 solution for 1.50 h. How much lead is plated out of…

A: Given that:  Current(I) = 4.15A = 4.15C/s  Time(t) = 1.50h = 1.50h×3600s/h = 5400s Reaction:  Pb2+ +…

Q: Copper is plated onto the cathode of an electrolytic cell containing CuCl2(aq). How long does it…

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Q: An electrolytic cell produces aluminum from aluminum oxide, Al2O3. What mass of aluminum can be…

A: Applying formula w=Zit

Q: A current of 5.83 A is passed through a Fe(NO3)2 solution for 1.60 h. How much iron is plated out of…

A: According to Faraday's law of electrolysis, the amount of substance deposited on an electrode is…

Q: Gallium is produced by the electrolysis of a solution made by dissolving gallium oxide in…

A: To find out the amount of gallium(III) produced, we need to use the Faraday's second law of…

Q: An aqueous solution of a platinum salt is electrolyzed for 1.00 hour using a current of 1.50 A to…

A: According to Faraday's law when a solution of an element is electrolysed then it will deposited.…

Q: A current of 3.38 A3.38 A is passed through a Pb(NO3)2Pb(NO3)2 solution. How long, in hours, would…

A: Ans is 40.8min

Q: When an aqueous solution of potassium iodide is electrolyzed using platinum electrodes, the…

A: 8.15mA current flows which is equal to 0.00815A time is 12.6min = 756s The molar mass of I2 =…

Q: 32. What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for…

A: Given that,time, t = 244.7 min = 244.7 x 60 sec = 14682 seccurrent, i = 13.6 A F = 96485…

Q: Aluminum metal is formed by the electrolysis of Al2O3 in molten cryolite. How many minutes are…

A: Given, Aluminum metal is formed by the electrolysis of Al2O3 in molten cryolite. mass of Al = 10.0 g…

Q: How long will it take to plate 2.5 g of copper onto a light fixture using a solution of Cu(NO3)2 and…

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Q: How much time would it take for 325 mg of copper solid (atomic molar mass = 63.546 g/mol) to be…

A: Two moles of electrons give one mole of copper atom. Number of electrons required is determined as…

Q: A metal was galvanized with zinc using a solution of zinc nitrate, Zn(NO3)2. How much time was…

A: Answer :  We have to calculate time to plate zinc on the metal . Using Faraday laws of electrolysis…

Q: An aqueous solution of an unknown salt of molybdenum is electrolyzed by a current of 2.50 A passing…

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Q: How many grams of copper metal will be deposited from a solution that contains Cu2+ ions if a…

A: Here we use the formula of metal deposited= ZIt , where Z is molecular weight, I= current, t= time…

Q: How long, in minutes, will it take to produce 370.0 g of pure lithium by running a current of 330 A…

A: Given, Current passing = 330 A Mass of Li = 370.0 g  Molar mass of Li = 6.94 g/mol

Q: 05 g Ru is produced at the cathode, what is the charge on the ruthenium ions in solution?

A: Dear student I have given answer to your question in the image format.

Q: An alternator recharges an automobile battery when the engine is running. If the alternator produces…

A: Given, Current produced by alternator = 1.540 A Engine operations requires = 1.179 A  mass of…

Q: A current of 4.63 A4.63 A is passed through a Pb(NO3)2Pb(NO3)2 solution for 1.30 h1.30 h. How much…

A: Amount of substance deposited at electrode during electrolysis can be calculated as follows

Q: A current of 3.27 A is passed through a Pb(NO3)2 solution. How long, in hours, would this current…

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Q: How many hours are required to plate 12.00 g of nickel metal from 1.00 M NİSO4(aq), using a current…

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Q: what mass in grams of nickel could be elextroplated from a solution of Ni2+ by a current of 0.25…

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Q: How many grams of magnesium metal will be deposited from a solution that contains Mg2+ ions if a…

A: Weight of Mg deposited can be calculated using the equation of Faraday's first law. Answer is 0.2732…

Q: How many minutes would it take to plate 12g of silver from an aqueous Ag(l) solution using a current…

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Q: Solid, metallic chromium can be electroplated from acidic aqueous solutions containing dichromate…

A: Metal electroplated than mass of metal depend current , equivalent weight of metal and time.

Q: Sketch the galvanic cell based on the following overall reactions. Calculate e°; show the direction…

A: The standard reduction potentials of the two half-cells are: Cl2/2Cl-: 1.36 VCr2O72-/Cr3+:1.33 V

Q: many grams of cobalt metal will be deposited from a solution that contains Co2+ ions if a current of…

A: Given:  Current = 0.974 A  Time = 67.4 min = 67.4 x 60 = 4044 sec

Q: 6. Zinc (Zn) can be purified by the electrolysis of aqueous zinc sulfate. Suppose an electrolytic…

A: Given that, In the electrolytic cell : Molarity of ZnSO4 solution = 0.050 M Weight of zinc deposited…

Q: a current of 3.25A is passed through a Ni(NO3)2 solution how long in hours would this current have…

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Q: Determine the amount of time (in hours) that a 16.8 ampere current must be applied to a 2.0…

A: The objective of the question is to find out the time required to produce a certain amount of Zinc…

Q: A current of 3.21 A is passed through a Pb(NO3)2 solution. How long, in hours, would this current…

A: Given,a solution is:  Pb(NO3)2mass of lead = 7.50 gcurrent = 3.21 A

Q: CHOICES: A. If both statements are true B. If the 1st statement is false and the 2nd is true C.…

A: 1) Thermodynamic can inform us about the direction and magnitude of a reaction, but not about its…