Chapter A1, Problem A1.21QAP

Interpretation Introduction

Interpretation:

The estimate standard deviation of the concentration (g/mL) is to be determined.

Concept introduction:

The standard deviation in terms of mass and volume can be represented as follows:

$\frac{dx}{X}=\sqrt{{\left(\frac{s_m}{m}\right)}^2\times {\left(\frac{s_v}{v}\right)}^2}$

Where,

$s_m$ = standard deviation in mass

$s_v$ = standard deviation in volume

$v$ = volume

$m$ = mass

$dx$ = standard deviation in concentration.

Also,

$\text{concentration}(X)=\frac{\text{mass}}{\text{volume}}$