A solution was made by mixing benzene ( C6 H6) and carbon tetrachloride ( CCL). Given that the mole fraction of carbon tetrachloride is 0.837 in the solution obtained from 22.9 g CCI4, calculate the mass of benzene used. Mass =

A 7 mass % aqueous solution of ethylene glycol (HOCH2CH2OH) has a density of 1.37 g/mL. Calculate the molarity of the solution.

Calculate the volume in liters of a 0.00366/molL copper(II) fluoride solution that contains 3.00mol of copper(II) fluoride CuF2. Round your answer to 3 significant digits.

what is the mass of h2so4 sulfate acid contained in 150 grams of solution, if the mass fraction of acid is 0.25

Calculate the number of grams of NaCl present in 2.00 L of a 1.25 M NaCl solution. The molar mass of NaCl is 58.44 g/mol

A student needs to prepare 250 mL of a 0.850 M aqueous solution of sucrose, C,„H„O,¡(aq), which is used frequently in biological experiments. 200 mL 250 mL 150 200 100 150 50 100 260mL. A How should the correct amount of solute be obtained? Which type of glassware should be used to make this solution (assuming that the accuracy of the concentration Measure out x mol of solid sucrose on a molemet. is important)? OC O Measure out x g of solid sucrose on a balance. O A O Measure out x cm of sucrose with a ruler. Publish

Calculate the volume percent of 491 mL of acetone in enough water to give 1.39×103 mL of solution.

Assume that 2.335 g K2Cr2O7 is dissolved in enough water to make a 500. ML solution?

Determine the volume (ml) required to dilute a solution containing 48.480g of K2SO4 in order to prepare a 1 N of the solution.

Calculate the composition in mass/volume % 25.6 g  sugar, C6H12O6, in    5.00  ×  102  mL solution