A pH 7 2 buffer is prepared by dissolving equimolar amounts of H PO4 and HPO4 in water 2 H PO4 H OHPO4 H O The addition of HCl

Question

A pH 7 2 buffer is prepared by dissolving equimolar amounts of H PO4 and HPO4 in water 2 H PO4 H OHPO4 H O The addition of HCl to this buffer results in A a decrease in the H PO4 B an increase in the HPO2 C a decrease in the HPO42 D no change in the concentration of H PO4 or THPO 2 1

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