How many moles of electron will be required for the reduction of 1 mole of `Cr_2O_7^(2-)` ions to `Cr^(3+)`

State Faraday's first law. How much charge in terms of Faraday is required for the reduction of 1 mole of Cu^(2+) to Cu?

How many electrons would weigh 1 kg?

How much charge is required for the following reductions: 1 mol of Cu^(2+) to Cu.

How much electricity is required in coulomb for the oxidation of 1 mol of H_2O to O_2 .

Draw the structure of Cr_2O_7^(2-) ion.

How much charge is required for the following reductions: 1 mol of MnO_4^(-) to Mn^(2+) .

How much electricity is required in coulomb for the oxidation of 1 mol of FeO to Fe_2O_3 .

What is the oxidation number of Cr in Cr_2O_7^(2-) ?

How much charge is required for the following reductions: 1 mol of Al^(3+) to Al.

What is the quantity of electricity in coulombs needed to reduce 1 mole of Cr_2O_7^2 ? Consider the reaction: Cr_2O_7^2 + 14H^+ + 6e^- rarr 2Cr^(3+) + 7H_2O