An aspirin sample, 0.62 g, was turrares with 28 mL of 0.105 M NaOH solution. What is the percent purity of this aspirin sample? (Molar Mass of Aspirin = 180. g/mol)

You are trying to prepare 75 mL of 1.00 M sodium chloride solution. How many grams of sodium chloride will you need to prepare this solution?

How many grams of solute are present in 855 mL of 0.480 M KBr?

How many grams of sodium hydroxide are present in 247.0 mL of a 0.400 M NAOH solution? mass of sodium hydroxide =

In a laboratory experiment, a 15.0 mL sample of a KCl solution is poured into an evaporating dish with a mass of 24.10 g. The combined mass of the evaporating dish and KCl solution is 41.50 g. After heating the evaporating dish and the dry KCl have a combined mass of 28.28 g.    a) What is the mass percent (m/m) of the KCl solution?   b) What is the molarity (M) of the KCl solution    c) If water is added to 10.0 mL of the initial KCl solution to five a final volume of 60.0 mL, what is the molarity of the diluted KCl solution?

How many grams of sodium hydroxide are present in 247.0 mL247.0 mL of a 0.700 M0.700 M NaOHNaOH solution?   mass of sodium hydroxide =                                                         g

Calculate the molarity of the two solutions. The first solution contains 0.200 mol of NaOH in 2.05 L of solution. molarity: M The second solution contains 15.9 g of NaCl in 643 mL of solution. molarity: M * TOOLS x10

In the laboratory you dilute 2.50 mL of a concentrated 12.0 M hydroiodic acid solution to a total volume of 50.0 mL. What is the concentration of the dilute solution?

How many grams of solute are present in  505 mL  of  0.690 M KBr?

A solution is prepared by adding 17.75g of H2SO4 in enough water to makeexactly 100 mL of the solution. If the density of the solution is 1.1094 g/mL, what is the mass percent of H2SO4 in the solution?