the electrochemical equivalent of silver is 0.0012g/c if 36.0g of silver is to be deposited by electrolysis on a surface by passing a steady current for 5 minutes, the current must be?​

100 A.

Explanation:

From the question given above, the following data were obtained:

Electrochemical equivalent (Z) = 0.0012 g/C

Mass (M) = 36 g

Time (t) = 5 mins

Current (I) =?

Next, we shall determine the charge. This can be obtained as follow:

Electrochemical equivalence (Z) = 0.0012 g/C

Mass (M) = 36 g

Charge (Q) =.?

M = ZQ

36 = 0.0012 × Q

Divide both side by 0.0012

Q = 36 / 0.0012

Q = 30000 C

Next, we shall convert 5 mins to s. This can be obtained as follow:

1 min = 60 s

Therefore,

5 mins = 5 × 60

5 mins = 300 s

Finally, we shall determine the current. This can be obtained as shown below:

Charge (Q) = 30000 C

Time (t) = 300 s

Current (I) =?

Q = It

30000 = I × 300

Divide both side by 300

I = 30000 / 300

I = 100 A

Therefore, the current is 100 A.