Consider the dissociation of calcium phosphate show below: Ca3(PO4)2 (s)   ⇋⇋   3 Ca+2 (aq)   +   2 PO4-3 (aq) What is the Kc expression?

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter20: The Representative Elements
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Problem 29E
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Consider the dissociation of calcium phosphate show below:

Ca3(PO4)2 (s)   ⇋⇋   3 Ca+2 (aq)   +   2 PO4-3 (aq)

What is the Kc expression?

Select one:
a. Kc = [Ca+2]3[PO4-3]2
b. Kc=[Ca+2]3[PO−34]2[Ca3(PO4)2]Kc=[Ca+2]3[PO4−3]2[Ca3(PO4)2]

c. Kc=[Ca+2][PO−34][Ca3(PO4)2]Kc=[Ca+2][PO4−3][Ca3(PO4)2]
d. Kc=1[Ca3(PO4)2]Kc=1[Ca3(PO4)2]
e. Kc=1[Ca+2]3[PO−34]2
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