Methyl salicylate, c8h8o3, the odorous constituent of oil of wintergreen, has a vapour pressure of 1.00 torr at 54.3oc and 10.0 torr at 95.3oc.
a. what is its vapour pressure at 25oc?
b. what is the minimum number of liters of air that must pass over a sample of the compound at 25oc to vaporize 1.0 mg of it?

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.