in 225. mL of a solvent with a density of 0.96 g/mL. The student notices that the volume of the solvent does not A student dissolves 10. g of styrene (CH₂) change when the styrene dissolves in it. Calculate the molarity and molality of the student's solution. Round both of your answers to 2 significant digits. x

A chemist prepares a solution of barium chloride BaCl2 by measuring out 44.0μmol of barium chloride into a 150.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in /molL  of the chemist's barium chloride solution. Round your answer to  3  significant digits.

Isopropyl alcohol is mixed with water to produce a solution that is 33.0%33.0% alcohol by volume. How many milliliters of each component are present in 895 mL895 mL of this solution?

Calculate the volume in milliliters of a 0.448M potassium iodide solution that contains 150.mmol of potassium iodide KI. Be sure your answer has the correct number of significant digits.

1. A 15.00 g of NaCI is dissolved in 5.00 L of water. Find the molarity of the solution? Show yoursolutions for MW. (Use whole numbers for the MM and 2 decimal places for the Final Answer)

A chemist prepares a solution of barium chloride BaCl2 by measuring out 88.μmol of barium chloride into a 300.mL  volumetric flask and filling the flask to the mark with water. Calculate the concentration in /molL  of the chemist's barium chloride solution. Be sure your answer has the correct number of significant digits.   molL

1 g of a 404.7 % NaCl solution is administered to a patient. How many grams of NaCl did the patient receive?  Report your answer to 2 significant figures.

A chemistry student needs 15.0 g of heptane for an experiment. He has available 0.50 kg of a 44.3% w/w solution of heptane in diethyl ether. Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button. Round your answer to 3 significant digits. g x10 No solution

You have a solution of NaCl that has a molarity of  3.359 M.  You want to make a dilute solution of NaCl that has a molarity of  0.955 M and you need that dilute solution to have a final total volume of 808.76 mls.  How many mls of the concentrated solution will you use to make that desired dilute solution?   Answer must NOT contain units. Use proper significant figures.

A 125ml sample of an 8.2 M NaCl solution is diluted to 3.0 L . What volume of the diluted solution contains 10.8  g  of  NaCl ? Express your answer using two significant figures.