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Calculate the pH of a solution prepared by mixing 300mL of 0.250 m aqueous HF (dens=1.10g/mL)...

Calculate the pH of a solution prepared by mixing 300mL of 0.250 m aqueous HF (dens=1.10g/mL) with 43.6g of an aqueous solution that is 3.6% NaOH by mass. (dens=1.02g/mL).

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