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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. 4 significant figures.
(a) How many moles of potassium ions are in 356 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 24.3 metric tons of scrap aluminum (1 metric ton = 1000 kg)?
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A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L?1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L?1 NaOH(aq) to neutralize the excess, unreacted HCl
(a)What is the coordination geometry about the vanadium ion incrystals of the alum? Write balanced equations for each reduction step
A beaker has a mass of 225.08g. When a liquid is added to the beaker, the combined mass is 238.254g. What is the mass in grams of the liquid
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