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How to be better at orthographic projection drawing in engineering? If 75.0 g of potassium alum is obtained from 5.00 g of aluminum, what is the percent yield? Rank the following in order of increasing boiling point: butane, 1-butanol, diethyl ether.? Use the Cantor-Schröder-Bernstein Theorem to prove that [-1,1]~(-1,1)∪(1,2)? 1.50 mol of Mg(NO3)2 has how many grams nitrogen?