Identify the ion ratios needed to form neutral compounds from the ions below. The metal ion (cation) is listed first, and the nonmetal ion (anion) is listed second. Make sure to give each ratio in its most simplified form. Na+:Br– = 1 :
Al3+:Cl– = 1 :
Mg2+:O2– = 1 :
Al3+:O2– = 2

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b. zinc7.14,c. copper 8.92,d. lead 11.34

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You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices