Answer to Question #145414 in Physical Chemistry for Jorlan Mete

Question

Calculate volume of bromine vapour produced when a charge of 965 coulomb passas through liquid lead bromide

Answer 1

2Br^- - 2e^- = Br₂

n = 2e^- per 1 mol of Br₂

2e^- is charged 2 x 96500, where 96500 is 1 faraday.

965 / (2 x 96500) = 0.005 mole Br₂ produced.

at STP Vm = 22.4 L/mol

V = 22.4 x 0.005 = 0.112 L