An organic chemistry student prepared 783. mL of a cyclohexane-xylene solution at 27.0 °C by measuring out 486. mL of cyclohexane and 313. mL of xylene and mixing them.Calculate the volume percent of cyclohexane in this solution.Be sure your answer has the right number of significant digits.

An organic chemistry student prepared 0.668 L of a cyclohexane-toluene solution at 29.0 °C by measuring out 222. mL of cyclohexane and 0.42 L of toluene and mixing them.Calculate the volume percent of cyclohexane in this solution.Be sure your answer has the right number of significant digits.

A chemist prepares a mixture of cyclohexane and ethanol at a temperature of 24.0 °C. He measures out 89.8 mL of cyclohexane and mixes it with 0.45 L of ethanol. He measures the volume of the solution after it is well mixed and finds that it is 0.556 L. The density of cyclohexane is 0.78 /gmL and the density of ethanol is 0.79 /gmL.Calculate the volume percent of cyclohexane in this solution.Be sure your answer has the right number of significant digits.

Suppose 64.6 mL of dioxane and 57.5 mL of toluene are mixed, and the final solution has a volume of 116. mL. Note that the density of dioxane is 1.03 /gmL.Calculate the volume percent of dioxane in this solution.Be sure your answer has the right number of significant digits.

A 528. mL solution was made by mixing 91.7 mL of ethanol, which has a density of 0.79 /gmL, and 431. mL of water, which has a density of 1.0 /gmL.Calculate the volume percent of ethanol in this solution.Be sure your answer has the right number of significant digits.

A 285. mL solution was made by mixing 274. mL of hexane, which has a density of 0.66 /gmL, and 17.2 mL of toluene, which has a density of 0.87 /gmL.Calculate the volume percent of hexane in this solution.Be sure your answer has the right number of significant digits.