01line te3 C O coo ngegenawcomilni akeAss Jnr Make cevelen Activi y doi ocatCT a

Question

01line te3 C O coo ngegenawcomilni akeAss Jnr Make cevelen Activi y doi ocatCT assignment-take5 akeAssigrmentsesso Locatc assignment-take Chapte 7 HW the Refer impurtant val fur this qu For each af the salts an the left, match the salts an the right that can he compared directly, using K es, to estimate sohubiliries. (If more than one salt oD right can be directly compared. include an therdevant salts by writing your answer as a string of character wittiout punctuatioo, e.g. ADC.) A. AgCI barhun snunte 2. calcium phosphate C. Fe2S3 D. Ag2cro4 White the expression for K interns of the solubility, 8, for each salt, when dissolved in water. bartunn snunte calchun phosphate the Conlon al emp Submit Anseer Retry Enti Greur 3 more group attempts remaining Due Mar 24 at 50 PM nish Assignment Save and Di Ask me 3rytning 3/24/2011

Explanation / Answer

For

Barium Sulfite --> Ba+2 + SO3-2

Ksp = [Ba+2][SO3-2]

KSp = S*S = S^2

so

AgCl = [Ag+][Cl-] = S*¨S can be compared directly, not all others

b)

for

Calcium Phosphate

Ca3(PO4)2

Ksp = (3S)^3(2S)^2 = 108*S^5

the only one ppossible will be

Pb3(PO4)2, since

Ksp = (2S)^2(3S)^3 = 108*S^5

Q2.

as stated before:

Barium Sulfite --> Ba+2 + SO3-2

Ksp = [Ba+2][SO3-2]

KSp = S*S = S^2

Ca3(PO4)2

Ksp = (3S)^3(2S)^2 = 108*S^5

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