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1. Calculate the mass of sodium phosphate monobasic, dibasic, and/or sodium chloride needed to make your buffer. Buffer 4: 0.050 M sodium phosphate, pH 7.0

1. Calculate the mass of sodium phosphate monobasic, dibasic, and/or sodium chloride needed to make your buffer.

Buffer 4: 0.050 M sodium phosphate, pH 7.0 with 0.050 M NaCl 100 mL

Sodium phosphate (monobasic, monohydrate) 137.99 g/mole Sodium phosphate (dibasic, heptahydrate) 268.07 g/mole

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