9.) In growing your alum crystals, you will need to make 40 mL of a saturated so

Question

9.) In growing your alum crystals, you will need to make 40 mL of a saturated solution of alum.

a.) How will you determine how much alum you need to make 40 mL of your solution? (Hint: Consult the information provided you in the Introduction.)

b.) How much alum will you need to make 40 mL of your solution? Make sure to show your work in your answer.

c.) What will your solution will look like when its alum concentration is below the saturation point?

d.) What will your solution look like when its alum concentration is just past the saturation point? That is, what should you be able to observe just after you pass the saturation point?

Explanation / Answer

1. From the solubility value of Alum, we can calculate the amount of Alum needed to make 40 ml of

Saturated solution of Alum.

2. Let the solubility of Alum at 298K is S

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