Lime, Ca(OH)2, can be used to neutralize an acid spill. A 5.06 g sample of Ca(OH)2 reacts with an excess of hydrochloric acid; 6.74 g of calcium chloride is collected. What is the percent yield of this experiment? Ca(OH)2 + 2HCl -> CaCl2 + 2H2O

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.