The slightly soluble salt fluorapatite, Cas(PO4)3F, has a Kso 1x 1031. It dissociates in water according to the following equation: Cas(PO4)3Fi) 5Ca 3PO4 F F CP04 1. Write the Kp equation for this process: K =Ca 3- Calculate the equilibrium concentrations of Ca, PO4 , and F. 2. a. [Ca]5-1x10 4M [PO 2.00x 10-4M 1-02x 10-4 M c. [F]= 3. How many grams of fluorapatite will dissolve in 1L of water? .14X 4. The solubility of the related salt hydroxyapatite, Cas(PO4)3OH (Ksp 1x 10), is affected by the pH of the water to which it is added. Calculate the number of grams of hydroxyapatite that will dissolve in 0.250L of a. neutral water. Calculate the number of grams of hydroxyapatite that will dissolve in 0.250L of b. water having a pH 5.5

Question

I need help with #4. I think all the previous answers are correct, I'm just not sure how to do #4, both a. and b. 

 

The slightly soluble salt fluorapatite, Cas(PO4)3F, has a Kso 1x 1031. It dissociates in water
according to the following equation:
Cas(PO4)3Fi) 5Ca 3PO4 F
F
CP04
1. Write the Kp equation for this process: K =Ca
3-
Calculate the equilibrium concentrations of Ca, PO4
, and F.
2.
a. [Ca]5-1x10 4M
[PO 2.00x 10-4M
1-02x 10-4 M
c. [F]=
3. How many grams of fluorapatite will dissolve in 1L of water? .14X
4. The solubility of the related salt hydroxyapatite, Cas(PO4)3OH (Ksp 1x 10), is affected
by the pH of the water to which it is added.
Calculate the number of grams of hydroxyapatite that will dissolve in 0.250L of
a.
neutral water.
Calculate the number of grams of hydroxyapatite that will dissolve in 0.250L of
b.
water having a pH 5.5
Expand
Transcribed Image Text

The slightly soluble salt fluorapatite, Cas(PO4)3F, has a Kso 1x 1031. It dissociates in water according to the following equation: Cas(PO4)3Fi) 5Ca 3PO4 F F CP04 1. Write the Kp equation for this process: K =Ca 3- Calculate the equilibrium concentrations of Ca, PO4 , and F. 2. a. [Ca]5-1x10 4M [PO 2.00x 10-4M 1-02x 10-4 M c. [F]= 3. How many grams of fluorapatite will dissolve in 1L of water? .14X 4. The solubility of the related salt hydroxyapatite, Cas(PO4)3OH (Ksp 1x 10), is affected by the pH of the water to which it is added. Calculate the number of grams of hydroxyapatite that will dissolve in 0.250L of a. neutral water. Calculate the number of grams of hydroxyapatite that will dissolve in 0.250L of b. water having a pH 5.5

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