Any help would be appreciated!
What is the percent by volume of a solution formed by mixing 349 mL of isopropanol with 380 mL of water?

9B. What is the mass of a solute in a solution with 65% (m/m) of a solute and a mass of the solution is 327.0g?

10B. Calculate the molality of 171.g of KBr dissolved in 829.0 mL pure water.

1B. Calculate the molality of a solution containing 49.3g of dissolved naphthalene (C10H8) in 217. g benzene (C6H6).

12B. A solution is prepared by mixing 94.2g of H2O, and 58.7g of ethanol, C2H5OH. Determine the mole fractions of each substance.

13B. If you use 2.17mol of sucrose (C12H22O12) and dissolve this into 0.500kg of H2O, what will be the change in the freezing point of your solution? The freezing point depression of water (Kf) is 1.86 °C/m.

15B. Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH–] is 1.0 x 10–3. Is this solution acidic, basic, or neutral?

16B. Calculate the acid dissociation constant of ethanoic acid if you start with a 0.10000M solution of ethanoic acid, and it gives a hydrogen-ion concentration of 1.34 x 10–3M.

17B. If 3.70 grams of a gas dissolves in 1.0L of water at 0.5 atm of pressure, how much of the gas will dissolve if the pressure is raised to 3.5 atm? Assume the temperature is held constant.

A gas has a solubility of 2.75g/L at a pressure of 5.0 atm. At what pressure would its solubility be 0.5g/L?

The solubility of a gas changes from 0.32 g/L to 0.85 g/L. If the initial pressure was 1.7 atm, what is the final pressure?

20B. A gas has a solubility of 0.40g/L at 4.2 atm of pressure. What is the pressure on a 1L sample that contains 1.40g of gas?

21B. The solubility of a gas is 6.5g/L at 75kPa of pressure. How much gas will dissolve in 1L at a pressure of 61kPa?

22B. If 5.9g of a gas dissolves in 1L of water at 10kPa of pressure, how much gas will dissolve at 100.kPa of pressure?