Multiple Choice
Calculate the amount of water (in kilograms) that must be added to 12.0 g of urea, (NH2)2CO, in the preparation of a 18.3 percent by mass solution. The molar mass of urea, (NH2)2CO, is 60.055 g/mol.
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Determine the percent sulfuric acid by mass of a 1.37 m aqueous solution of H2SO4.