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The formula for the carbonate ion is CO32−. Predict the formula for carbonic acid.

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Greg Montoya
Greg MontoyaLv10
15 Nov 2020
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Related questions

The formula for the carbonate ion is CO32−. Predict the formula for carbonic acid. Express your answer as a chemical formula.

Calculate the concentrations of carbonic acid, bicarbonate ion (HCO3?) and carbonate ion (CO32?) that are in a raindrop that has a pH of 5.40, assuming that the sum of all three species in the raindrop is 1.0×10^-5M.

Table 15.5:

Name od Acid Formula Ka Conjugate Base Kb
Carbonic acid H2CO3 4.2x10-7 HCO3- 2.4x10-8
Hydrogen Carbonic Acid HCO3- 4.8x10-11 CO32- 2.1x10-4
Sulfuric Acid H2SO4 very large HSO4- very small
Hydrogen Sulfate Ion HSO4- 1.3x10-2 SO42- 7.7x10-13
Phosphoric Acid H3PO4 7.5x10-3 H2PO4- 1.3x10-12
Dihydrogen Phosphate ion H2PO4- 6.2x10-8 HPO42- 1.6x10-7
Hydrogen Phosphate Ion HPO42- 4.8x10-13 PO43-

2.1x10-2

1. See table 15.5 for acid dissociation constants. What are the concentrations of H+ and CO32- respectively for a 0.073 M carbonic acid solution? Assume there is no loss of any carbonate species via generation of CO2

2,See table 15.5 for acid dissociation constants. What are the concentrations for H+ and SO42- respectively for a 0.15 M sulfuric acid solution?

3.See table 15.5 for acid dissociation constants. What are the concentrations of H+ and PO43- respectively for a 0.15 M phosphoric acid solution?

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