A how many moles of potassium ions are in 272 g alum b what


One useful method for recycling scrap aluminum converts some of it to common alum [potassium aluminum sulfate dodecahydrate, KAl(SO4)212 H2O], an important dye fixative and food preservative. (a) How many moles of potassium ions are in 272 g alum? (b) What is the mass % S in alum (to 3 significant figures)? (c) What is the maximum amount of alum (in metric tons) that can be prepared from 16.7 metric tons of scrap aluminum (1 metric ton = 1000 kg)?

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Chemistry: A how many moles of potassium ions are in 272 g alum b what
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