Question

Identify the effect of increasing acidity on the solubility of the given compounds. Give explanation please...

Identify the effect of increasing acidity on the solubility of the given compounds. Give explanation please

NiBr2

Ca3(PO4)2

NaI

FeS

SrCO3

Ca(OH)2

Increase in solubiluty

Decrease in solubility

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Homework Answers

Answer #1

Increase in solubiluty ------------> Ca3(PO4)2 , FeS , SrCO3, Ca(OH)2

explanation:

PO4-3 , CO3-2 , OH- , S-2 ions react with acid so solubility increases

PO4-3 + H+ ------------------> HPO4-2

CO3-2 + H+ -----------------> HCO3-

OH- + H+ ---------------> H2O

S-2 + H+ -------------------> HS-

Decrease in solubility ---------------> NiBr2 , NaI

reason :

NiBr2 is from HBr strong acid

NaI is from HI strong acid

these are formed from strong acid . these are acidic salts . so the acid doesnot effect the solubility of these salts

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