Chapter 4, Problem 4.97P

Interpretation Introduction

Interpretation:

The mass percentage of blood alcohol when $28.0\text{g}$ plasma is titrated with $35.46\text{ mL}$ of $0.05961M{\text{ Cr}}_2{\text{O}}_7^{2-}$ is to be determined.

Concept introduction:

A redox reaction is a type of reaction that involves the change in oxidation number of a molecule, atom or ion changes due to the transfer of an electron from one species to another.

Oxidation of a species involves the loss of electrons by that species and reduction of a species involves the gain of electrons by that species.