4. Calculate the mass/volume percent of a 762.5 milliliter solution that is prepared by dissolving 289.15 grams of calcium azide, Ca(N3)2, in water. 5. A sugar syrup of mass 214.2 g contains 34.2 g of sugar. Calculate the concentration of sugar in the syrup. 6. 25 mL of ethanol (C.H.OH) is present in 150 mL of its aqueous solution. What is the concentration of the solution? 7. If you dilute 175 mL of a 1.6 M solution of LiCI to 1.0 L, determine the new concentration of the solution. UC €

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