2 MixturesCombination of substances where components retain their own propertiesDo not combine chemicallyAre the following substances or mixtures?watersugar water
3 SolutionsMixture where one substance is dissolved in another & will not settle outSolute - substance that dissolvesSolvent - substance it dissolves inConcentrationThe more solute per solvent, the greater the concentration
5 Importance of Solutions In organisms, many important substance are dissolved in waterOrganisms must maintain certain concentrations of solutionsEx. pancreas keeps concentration of sugar within a certain range
6 Scale to measure the strength of an acid or base Measures from 0-14 pH ScaleScale to measure the strength of an acid or baseMeasures from 0-147 is neutral0-7 is acidic7-14 is basic
7 pH scaleEach number on the scale is 10X as concentrated as the number before it
8 Quiz Which is more acidic? Which is more basic? pH 2 or pH 6pH 5 or pH 7Which is more basic?pH 8 or pH 9pH 10 or pH 8How much more concentrated is pH 5 than pH 6?How much more concentrated is pH 14 than pH 12?