Question

1. You need to make an aqueous solution of 0.199 M sodium acetate for an experiment in lab, using a 250 mL volumetric flask. How much solid sodium acetate should you add?
grams

2.How many milliliters of an aqueous solution of 0.234 M aluminum chloride is needed to obtain 2.97 grams of the salt?
mL

3. In the laboratory you dilute 3.08 mL of a concentrated 6.00 M hydroiodic acid solution to a total volume of 50.0 mL. What is the concentration of the dilute solution?
M

4. You wish to make a 0.128 M hydroiodic acid solution from a stock solution of 3.00 M hydroiodic acid. How much concentrated acid must you add to obtain a total volume of 150 mL of the dilute solution?
mL

5.In the laboratory, a student dilutes 29.3 mL of a 11.3 M hydroiodic acid solution to a total volume of 100.0 mL. What is the concentration of the diluted solution?Concentration =  M

6. How many milliliters of 11.0 M nitric acid solution should be used to prepare 3.50 L of 0.100 M ? mL

7. A 0.5172 g sample of a pure soluble bromide compound is dissolved in water, and all of the bromide ion is precipitated as AgBr by the addition of an excess of silver nitrate. The mass of the resulting AgBr is found to be 1.0926 g.

What is the mass percentage of bromine in the original compound?  %

8. A student determines the chromium(III) content of a solution by first precipitating it as chromium(III) hydroxide, and then decomposing the hydroxide to chromium(III) oxide by heating. How many grams of chromium(III) oxide should the student obtain if her solution contains 59.0 mL of 0.551 M chromium(III) nitrate?
g

Answer 1