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Below are the HCO3+ concentrations of common foods. Calculate the OH- concentrations of these items in water solutions: 1.6 x 10^-6 m
Accepted Answer
To calculate the OH- concentration, we can use the ion product constant of water (Kw):
Kw = [H+][OH-] = 1.0 x 10^-14
First, we need to find the H+ concentration using the given HCO3+ concentration. Since HCO3+ is a weak acid, we need its Ka value to determine the H+ concentration. Assuming you're referring to the bicarbonate ion (HCO3-), we can calculate the H+ concentration using its Ka value (4.7 x 10^-11) and an ICE table. Once we have the H+ concentration, we can plug it into the Kw equation to solve for the OH- concentration.
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