In a Solution That Is Labeled "0

question 228

Essay

In a solution that is labeled "0.10 M H₃PO₄(aq)," [H₃O⁺] = 0.024 M.Match the species below with their concentrations.
$$\begin{array} { l l } \mathrm { H } _ { 3 } \mathrm { PO } _ { 4 } & 6.2 \times 10 ^ { - 8 } \\\mathrm { H } _ { 2 } \mathrm { PO } _ { 4 } { } ^ { - } & 8.0 \times 10 ^ { - 2 } \\\mathrm { HPO } _ { 4 } { } ^ { 2 - } & 5.4 \times 10 ^ { - 19 } \\\mathrm { PO } _ { 4 } { } ^ { 3 - } & 2.4 \times 10 ^ { - 2 }\end{array}$$

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