Since we’re dealing with a weak acid, we will have to create an ICE chart to determine the equilibrium concentration of each species:
Solids and liquids are not included in the expression
Check if the x in the denominator can be ignored
since 172 < 500, x in the denominator cannot be ignored
Solve for x using the quadratic formula:
Calculate the [H3O+] of the following polyprotic acid solution: 0.145M H3C6H5O7.
Calculate the pH of this solution.
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