X3+ + 3e− to X
3F = 27g
xF = 10g
x3=1027impliesx=109F
109F ≡ N20.00
1F is equivalent to x
1109=x20
910=x20impliesx=N18.00
1F is equivalent to N18.00.
Y2+ + 2e− to Y
2F = 24g
xF = 6g
x = 6×224=12F
1F = N18.00
12F = 12×N18.00
= N9.00