To what volume should you dilute 125mL of an 8.00M CuCl2 solution so that 50.0mL of the diluted solution contains 5.9 g CuCl2?

Determine mass percent of a solution of sucrose (C,H,O1) prepared by dissolving 3.245 g of C12H20 in 73.5 g of water.

Rubbing alcohol is an aqueous solution containing 85% isopropyl alcohol by volume. How would you prepare 125mL rubbing alcohol for pure isopropyl alcohol?

What is the mole fraction of solute in a 3.22 ? aqueous solution?

A solution was made by dissolving 3.53 g glucose ( C6H12O6) in 43.7 g water ( H₂O). What is the mole fraction of glucose in this solution?

A solution was prepared by dissolving 200.0 g of KClKCl in 285 g of water.   Calculate the mole fraction of KClKCl. (The formula weight of KClKCl is 74.6 g/molg/mol. The formula weight of water is 18.0 g/molg/mol.) Express the mole fraction of KCl to two decimal places.

50.00 ml of 0.120 mol/L MgSO4 solution is made to be using MgSO4. 7H2O, which has a molar mass of 246.47 g/mol.  a. How many moles of solid MgSO4. 7H2O are required?

You must mix 168 g of carbon disulfide (CS2, 76.13 g/mol) with acetonitrile (CH3CN, 41.06 g/mol) to create a solution that has a total vapor pressure of 292 torr at 25°C. Calculate the number of grams of CH3CN required. Substance Vapor Pressure at 25°C (torr) Carbon disulfide 357 Acetonitrile 89.5

A solution is prepared by dissolving 155.0 mL of methanol (CH3OH, density = 0.791 g/mL) in 250 mL of water (density 1.00 g/mL) to give a final solution volume of 350.0 mL. Calculate the (a) molarity of the solution, (b) %wt/wt, (c) %wt/vol, (d) %vol/vol