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  3. a solution contains 0.1 m total carbonate (h2co3 +

A solution contains 0.1 m total carbonate (H2CO3 + HCO3- + CO32-). a. If the pH is...

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Chemistry

A solution contains 0.1 m total carbonate (H2CO3 + HCO3- +CO32-).

a. If the pH is 6, find the concentration of each carbonatespecies present.

b. If the solution contains also 10-4 m Ca2+, is it saturated,unsaturated, or supersaturated with respect to CaCO3?

Answer & Explanation Solved by verified expert
3.7 Ratings (557 Votes)
a H2CO3acid H HCO3 conjugate base Dissociation Constants and PK a Values for carbonic acid at 25C PKa1 36 at 25 C Use henderson hasselbalch equation PH PKa1 log10 HCO3 H2CO3 6 36 log10 HCO3 H2CO3 24 log10 HCO3 H2CO3 2511886 HCO3 H2CO3    See Answer
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