Beuknum
5 год назад
Please i need help .Calculate the mass of products obtained at the cathode and anode by electrolysis of 46 g of magnesium bromide alloy.
ОТВЕТЫ
Ray Robert
Nov 24, 2020
anode 40
cathode 6
46(mass):184(molar mass)=0.25 (mole)
MgBr2
n(Mg):n(Br)=1:2
cathode
Mg 0.25mole
0.25* 24=6 g
anode
0.25*2*80=40
238
