Question

1A)The compound magnesium bromide is a strong electrolyte. Write the reaction when solid magnesium bromide is put into water:

1B)The compound zinc sulfate is a strong electrolyte. Write the reaction when solid zinc sulfate is put into water

1C)The compound cobalt(II) chloride is a strong electrolyte. Write the reaction when solid cobalt(II) chlorideis put into water:

1D)You need to make an aqueous solution of 0.171 M potassium iodide for an experiment in lab, using a 300 mL volumetric flask. How much solid potassium iodide should you add?

1E)How many milliliters of an aqueous solution of 0.224 M potassium carbonate is needed to obtain 9.69grams of the salt?
1F)In the laboratory you dissolve 18.2 g of aluminum bromide in a volumetric flask and add water to a total volume of 375 . mL.  
What is the molarity of the solution?

1G)In the laboratory you dissolve 17.9 g of barium iodide in a volumetric flask and add water to a total volume of 125 mL.  
What is the molarity of the solution? .

What is the concentration of the barium cation?

What is the concentration of the iodide anion?

1H)In the laboratory you dissolve 21.4 g of cobalt(II) fluoride in a volumetric flask and add water to a total volume of 125 mL.
What is the molarity of the solution?   M.
What is the concentration of the cobalt(II) cation?   M.
What is the concentration of the fluoride anion?   M

1I)In the laboratory you dissolve 23.9 g of potassium sulfide in a volumetric flask and add water to a total volume of 375 mL.  
What is the molarity of the solution?   M.
What is the concentration of the potassium cation?   M.
What is the concentration of the sulfide anion?   M.

1J)In the laboratory you dilute 2.95 mL of a concentrated 12.0 M hydrobromic acid solution to a total volume of 175 mL. What is the concentration of the dilute solution?11)In the laboratory you dilute 2.29 mL of a concentrated 6.00 M hydrobromic acid solution to a total volume of 150 mL. What is the concentration of the dilute solution

1K)You wish to make a 0.317 M nitric acid solution from a stock solution of 3.00 M nitric acid. How much concentrated acid must you add to obtain a total volume of 100 mL of the dilute solution?

1M)In the laboratory, a student dilutes 22.9 mL of a  10.3 M hydrobromic acid solution to a total volume of 150.0 mL. What is the concentration of the diluted solution?Concentration =  M

1N)How many milliliters of 11.5 M nitric acid solution should be used to prepare 1.50 L of 0.800 M ?

1L)In the laboratory, a student adds 48.2 mL of water to 26.1 mL of a  0.574 M perchloric acid solution. What is the concentration of the diluted solution? Assume the volumes are additive. Concentration = M

Answer 1

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