How many minutes will it take to plate out 16.22 g of Al metal from a solution of A13+ using a current of 14.6 amps...
help How many minutes will it take to plate out 2.19 g of chromium metal from a solution of Cusing a current of 25 2 amps in an electrolyte coll? 161 806 242 209 434 Submit Rest
How long will it take to plate out the following with 100. A current? a. 10.0 g of Al from A13+ b. 25.0 g of Ni from Ni2+
2 How many grams of copper metal will be deposited from a solution of Cuso, by the passage of 3.0 A of electrical current through an electrolytic cell for 2.0 hours? (first write the half reaction for the production of Cu met al)
4) How many Amps would be required to plate out 25.00 gram of Tin onto a some iron if the current were passed through a solution of Sn(NO3), for 3.00 hours? 5)What is the oxidation state of arsenic in HAS04 6) How many electrons are gained or lost when Mn(OH)2 becomes MnO2? SO; becomes H2SO4 7) Use the half reaction method to balance the following redox equation: CIO3- (aq) becomes Cl2 (g) and Cr+ (aq) becomes Cr20(aq) in acidic solution:...
3. How many grams of Ag(s) could be plated out on the cathode of an electrolytic cell by the passage of 5.0 Amps of current through AgNO3 solution for 1 hour? Faraday's number = 96485 Coul/mol. a) 5.5 x 10-ºg b) 0.19 g c) 5.2 x 105 g d) 2.0 g e) 20 g
Hint (a) How many minutes does it take to form 10.0 L of O, measured at 91.2 kPa and 28°C from water if a current of 1.3 A passes through the electrolytic cell? Solution minutes Guided Solution (6) What mass of H, forms? inces
How many grams of Ag(s) could be plated out on the cathode of an electrolytic cell by the passage of 5.0 Amps of current through AgNO3 solution for 1 hour? A. 5.2 x 10-5 g B. 0.19 g C. 20 g D. 5.5 x 10-3 g
Question 4 1 3 Mn2+ (aq) + 2Al(s) + 3 Mn(s) + 2 A13+ (aq) For the balanced equation above, calculate Ecell if [Mn2+1= .05 M and [A13+) = 4 x 10-4M. A.-0.027 V B. +1.42 V C. +0.192 V D. +0.508 V E. -0.541 V. ОА OB Ос OD OE Question 5 1 pts How many grams of tin will plate out from an Sn2+ (aq) solution in an electrolytic cell when 4.13 mol e pass through the circuit?...
3. How many mL of H2(g) at STP are generated when a current of 1.50 amps is passed through the previous cell for 10.0 minutes? (Hint: You will need to find the moles of H, produced and then use the ideal gas law.)
4. How many grams of chromium metal are plated out when a constant current of 8.00 A is passed through an aqueous solution con minutes? taining Cr3+ ions for 320. Cr33eCr(s) A) 27.6 g B) 49.2 g C) 82.4 g D) 248 g E) 0.102 g 15. Balance the following redox reaction in acid solution: NO3 Zn(s)Zn2+(aq) NH4 (aq) Chemistry 220, Spring 2019 Version A Exam 4