Lab E3

Most common activity in Analytical Laboratory

Homogenous mixture that contains two or more substances in varying proportions.

Component of the solution being dissolved Dissolving medium that determines the state of substance.

Measure of quantity of solute present in a given quantity of solvent or solution. Can be extend to gas and solid phase also.

Concentration of a particular chemical species in solution

Substance total concentration in solution without regard to its specific chemical form

When converting the mole of a solute to the mass unit, ____ used as a conversion factor. Refers to the sum of atomic weights of atom that makeup a compound Used for molarity

_____ used and provides more accurate description for substances that don’t exist as molecules but exist as ionic compounds. Used for formality

Gives the total number of moles of a solute in one liter of the solution. Gives recipe by which the solution can be prepared regardless of what might happen to the solute during the concentration process. Different from molar equilibrium concentrations or just molar concentrations (M)

Not ionize Ionic substances

When preparation of solution of known concentrations it begins with using either____. The amount is ______

Table 3.1: Name the formula in common units of concentration molarity formality weight percent volume percent parts per thousand parts per billion

• Acid are always stored in glass containers but bases like NaOH solution should be stored in plastic container and not in a glass bottle. Why? • Explain what could happen if you add water to a beaker containing concentrated sulfuric acid. Why?