Current passes through a solution of sodium chloride. In 1.00 s, 2.68 ×10^16 Na^+ ions arrive a

step 1 We have current passing through a solution of sodium chloride. And so we have approximately 2 .6

Current passes through a solution of sodium chloride. In...

Current passes through a solution of sodium chloride. In $1.00 \mathrm{~s}, 2.68 \times 10^{16} \mathrm{Na}^{+}$ ions arrive at the negative electrode and $3.92 \times 10^{16} \mathrm{Cl}^{-}$ ions arrive at the positive electrode. (a) What is the cur- (b) What is the direction of the current? rent passing between the electrodes?

Current passes through a solution of sodium chloride. In $1.00 \mathrm{~s}, 2.68 \times 10^{16} \mathrm{Na}^{+}$ ions arrive at the negative electrode and $3.92 \times 10^{16} \mathrm{Cl}^{-}$ ions arrive at the positive electrode. (a) What is the cur-
(b) What is the direction of the current? rent passing between the electrodes?

Key Concepts

Ionic Conduction in Electrolytes

Ionic conduction in electrolytes occurs when ions move in response to an applied electric field. Both positively charged ions (cations) and negatively charged ions (anions) migrate towards electrodes of opposite charge, contributing to the charge transport within the solution. The movement of these ions, each carrying a discrete amount of charge, results in a measurable electric current.

Electric Current

Electric current is defined as the rate of charge flow through a conductor, calculated by dividing the total charge transferred by the time interval during which the transfer occurs. When individual charged particles, such as ions or electrons, move, each contributes its elementary charge to the overall current. By summing the contributions from these particles, one obtains the net current in the system.

Conventional Current Direction

Conventional current is defined as the directional flow of positive charge, regardless of the actual carriers of charge. In electrolyte solutions, even though negative ions move towards the positive electrode, the overall conventional current is considered to flow in the direction that would be produced by positive charges migrating from the positive electrode to the negative electrode. This standard convention facilitates consistent analysis and understanding of current flow in various systems.

Transcript

Please give Ace some feedback