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

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Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant