# Determining pecent contribution to alkalinity from a solution.

For a solution having .0025 equivalents/liter total alkalinity (contributions from HCO3-, CO3-- and OH- (hydroxide)) at [H+] = 4.69E-11, what is the percentage contribution to alkalinity from CO3--?

Hint: Calculate the bicarbonate concentration and the contribution of the bicarbonate to the total alkalinity.

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#### Solution Summary

This solution identifies steps and includes detailed calculations assuming that the solution is at equilibrium at room temperature (25 degrees C).

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