What is the predicted maximum vapor concentration of tetrahydrofuran, in units of ppm, in the headspace above a solution of 7.5 mole% THF in water at 25°C and 1 atmosphere total pressure? The
activity coefficient for aqueous THF is 10.1

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.