14. Solutions
Solutions: Mass Percent
14. Solutions
Solutions: Mass Percent
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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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A solution was prepared by dissolving 51.0 g of KBr in 310 mL of water. Calculate the mass percent of KBr in the solution.
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An aqueous LiNO2 solution is made using 90.3 g LiNO2 and diluting it to a total volume of 1.72 L. If the density of the solution is 1.20 g/mL, what is the mass percent of the solution?
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Determine the percent sulfuric acid by mass of a 1.37 m aqueous solution of H2SO4.
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