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The chief compound in marble is CaCO3. However, marble is readily attacked by acids. [Ca2+] in normal...

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Chemistry

The chief compound in marble is CaCO3. However, marble isreadily attacked by acids.

[Ca2+] in normal rainwater of pH 5.0 = 0.024 M

a) Determine the molar solubility of marble (that is, [Ca2+] ina saturated solution).

b) Determine the equilibrium constant for the overall reactionthat occurs when marble reacts with acid

CaCO3 (s) + H3O+ ↔ Ca2+ (aq) + HCO3- (aq) + H2O (l)

My problem is that I have been given no more information otherthan what is written above. I'm not sure how to go about solving itwith this amount of information.

Answer & Explanation Solved by verified expert
4.1 Ratings (640 Votes)
Answer We knwo that Ksp of CaCO3 can be represented as CaCO3 s Ca2 aq CO32 aqKsp 45 X 1091 The first dissociation of H2CO3    See Answer
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