A student has a sample of an alkali metal fluoride, but he does not know if it is LiF, NaF, or KF. He determines experimentally that a 3.46 g sample contains 1.13 grams of fluoride. Which alkali metal fluoride did he have? Justify your answer.

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.