For an alloy that consists of 81.4 g copper, 109.6 g zinc, and 8.0 g lead, what are the concentrations of (a) cu, (b) zn, and (c) pb in weight percent? the atomic weights of cu, zn, and pb are 63.54, 65.39, and 207.2 g/mol, respectively. (a) we% (b) wt% (c) wt% by accessing this question assistance, you will learn while you earn points based on the point potential policy set by your instructor

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.