Understanding Mixtures and Pure Substances

Mass of solute dissolved in 100 mL of the solution

Number of parts of the component × 10^6 / Total number of parts of all components of the solution

Number of moles of the component / Total number of moles of all the components

<p>X_A = n_A / (n_A + n_B)</p> Signup and view all the answers

<p>It helps in relating properties like vapour pressure with the concentration of the solution and in calculations involving gas mixtures.</p> Signup and view all the answers

<p>The properties of brass are different from German silver and bronze due to their different compositions.</p> Signup and view all the answers

<p>1 ppm of fluoride ions prevents tooth decay, while 1.5 ppm can cause mottling and high concentrations can be poisonous.</p> Signup and view all the answers

<p>Intravenous injections are dissolved in water matching blood plasma concentrations to ensure compatibility.</p> Signup and view all the answers

<p>The solvent, which is the component present in the largest quantity, determines the physical state of a solution.</p> Signup and view all the answers

<p>Liquid solutions are homogeneous mixtures of two or more components.</p> Signup and view all the answers