Chem 104 Lab Final

measure of closeness between a single measurement & a generally accepted true value (literature value)

• Accuracy

• Precision

• Percent Mass

• Percent by Volume

• Percent Mass by Volume

a measure of how close individual measurements are to each other

• Accuracy

• Precision

• Percent Mass

• Percent by Volume

• Percent Mass by Volume

percent composition of a solute in a solution by their masses

(AKA weight percent or percent by weight)

• Accuracy

• Precision

• Percent Mass

• Percent by Volume

• Percent Mass by Volume

the percent composition of a solute in a solution by their volumes (AKA volume percent)

used when describing mixtures of liquids

• Accuracy

• Precision

• Percent Mass

• Percent by Volume

• Percent Mass by Volume

the composition of mass of solute (g) in a volume of a solution (ml)

• Accuracy

• Precision

• Percent Mass

• Percent by Volume

• Percent Mass by Volume

the number of moles of solute per liter of solution

• Molarity (M)

• Parts per Million (ppm)

• Percent Yield

• Percent Error

• Percent Difference

mass of solute divided by total mass of solution multiplied by 10⁶ (1 million) - used to described very low concentration solutions

• Molarity (M)

• Parts per Million (ppm)

• Percent Yield

• Percent Error

• Percent Difference

used to determine the financial feasibility of a reaction or check experimental technique

• Molarity (M)

• Parts per Million (ppm)

• Percent Yield

• Percent Error

• Percent Difference

calculated by determining an experimental value from your results & comparing it to expected value

• Molarity (M)

• Parts per Million (ppm)

• Percent Yield

• Percent Error

• Percent Difference

compares 2 experimental quantities where neither of values can be considered the "correct" value

• Molarity (M)

• Parts per Million (ppm)

• Percent Yield

• Percent Error

• Percent Difference