Answer:
a)35.8 g
b) 24.5 L
Explanation:
Now we have to remember Faraday's second law of electrolysis; the mass of substances deposited during electrolysis when the same quantity of electricity is passed through them is directly proportional to the chemical equivalents.
E1/E2 =m1/m2
The chemical equivalent is mass/valency
E1= chemical equivalent of silver= 108/1 =108
E2= chemical equivalent of Cu= 63.6/2= 31.8
m1= mass of Ag =x
m2= mass of Cu= 10.5g
108/31.8 = x/10.5
108 × 10.5 = 31.8 × x
x= 108.5 × 10.5/31.8
x= 35.8g
ii) 2Cl^-(aq) + 2e ---> Cl2(g)
Given that;
V1= 22.4 L
T1= 273 K
P1= 760 mmHg
T2 = 18 + 273= 291 K
P2= 740mmHg
V2?
P1V1/T1 = P2V2/T2
V2= P1 V1 T2/P2T1
V2= 760 × 22.4 × 291/740 × 273
V2 = 4953984/202020
V2= 24.5 L
