Chapter 17, Problem 17.15P

Interpretation Introduction

Interpretation:

TOX of the drinking water as micromoles of halogen per liter present has to be calculated. And if all halogen is chlorine, then the TOX as micrograms of $\text{Cl}$ per liter has to be expressed.

Concept Introduction:

In analytical chemistry, coulometric titration is a method in which the titrating agent is produced in a solution by electrolysis. Amount of that substance is determined by measure of the quantity of electricity used to electrolyze that substance. For coulometric titration, no standard solution is needed.

Moles of electron flow in a coulometric titration are calculated by the equation as follows:

    $\text{Moles}\text{of}\text{electron}\text{flow}=\frac{\left(\text{Electric}\text{current}\text{in}\text{amperes}\right)\left(\text{time}\text{in}\text{second}\right)}{\text{Faraday}\text{constant}}$