The following solutions are mixed 652 mL of 000800 M K2SO4 a

The following solutions are mixed: 652 mL of 0.00800 M K2SO4 and 325 mL of 0.250 M Sr(NO3)2. Assume that the volumes are additive. (a) What is the value for the ion product (Qc) for the solubility reaction of interest in this solution? (b) Is a precipitate expected in the solution (Yes, No, or Not Enough Information to Know)?

Solution

a)

moles of K2SO4 -= 0.652*0.008 = 0.00521

molarity of K2SO4 = 0.00521/977 =5.332*10-6

molarity of Sr(NO3)2. = 8.316*10-5

ionic product = 8.316*10-5 * 5.332*10-6 =4.434 *10- 10

b)

it will not precipitate