Biochemistry

Susie is instructed to prepare 400mL of a 0.3M acetate buffer of pH=4.44, and she is given sodium acetate trihydrate and glacial acetate acid (99% by weight, density=1.05 g/mL0. Susie can't figure out what to do! How should she prepare this buffer? Acetic acid, Ka=1.8x10^-5

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