This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
ScanSolve AI Answer
Here's the solution using the information provided in the image. The question asks to find N (number of moles). The image provides two ways to calculate N. Given Parameters from the image: Relative Atomic Mass (RAM) = 119 g/mol Mass (m) = 26.6 g Current (I) = 8 A Time (t) = 400 s Valency (z) = 2 Faraday's constant (F) = 96500 C/mol We will calculate N using both parts of the given formula: N = (m)/(RAM) = (I × t)/(z × F). Method 1: Calculate N using mass and relative atomic mass. N = (m)/(RAM) Step 1: Substitute the given values. N = 26.6 g119 g/mol Step 2: Calculate the value of N. N ≈ 0.223529 mol Method 2: Calculate N using current, time, valency, and Faraday's constant. N = (I × t)/(z × F) Step 1: Substitute the given values. N = 8 A × 400 s2 × 96500 C/mol Step 2: Perform the multiplication in the numerator. N = 3200 C2 × 96500 C/mol Step 3: Perform the multiplication in the denominator. N = 3200 C193000 C/mol Step 4: Calculate the value of N. N ≈ 0.016580 mol There is a significant difference between the values of N calculated by the two methods. This indicates that the given parameters (m, I, t) are not consistent with each other for the same electrochemical process. If we assume the question intends for us to calculate N using the current and time, as it was the focus of the previous interaction: The number of moles (N) calculated from current and time is approximately 0.0166 mol.