If a current of 2.5A flows through an electrolyte for 3 hours and 1.8g of a substance is deposited, what is the mass of the substance that will be deposited if a current of 4A flows through it for 4.8 hours?
A. 2.4g B. 3.2g C. 4.6g D. 4.8g
Correct Answer: C
Explanation
First let's find z z = \(\frac{M}{It}\) z = \(\frac{1.8}{2.5 \times (3 \times 60 \times 60)}\) Therefore, the new M equals M = zIt M = \(\frac{1.8 \times 4 \times 4.8 \times 60 \times 60}{2.5 \times 3 \times 60 \times 60}\) M = 4.6g
