How much solid CH3COONa.3H2O should be added to 0.300 L of 0.500 M acetic acid solution to achieve a buffer of pH 5.25?
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How much solid CH3COONa.3H2O should be added to 0.300 L of 0.500 M acetic acid solution...
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How much solid NaCH3CO2.3H2O must be added to 0.300 L of a 0.50-M acetic acid solution to give a buffer with a pH of 5.00? (Hint: Assume a negligible change in volume as the solid is added.)
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calculate the number of grams of CH3COONa * 3H2O (sodium acetate tri-hydrate) needed to make 250.0 mL of a CH3COOH (acetic acid)/ CH3COONa * 3H2O buffer. The target pH of the buffer is 5.25. The given concentration of [CH3COOH] is equal to 0.10 M. Ka = 1.80 x 10-5 for acetic acid. Use the Henderson-Hasselbalch equation to determine the ratio of [CH3COO-]/[CH3COOH] needed to make the buffer. pH = pKa + log([CH3COO-]/[CH3COOH]) Now calculate the concentration of acetate ion (CH3COO-...
How many grams of solid sodium acetate should be added to 1.00 L of a 0.215 M acetic acid solution to prepare a buffer with a pH of 5.489 ? grams sodium acetate g Submit Answer Retry Entire Group 7 more group attempts remaining How many grams of solid ammonium chloride should be added to 0.500 L of a 0.211 M ammonia solution to prepare a buffer with a pH of 8.520 ? grams ammonium chloride = 8 Submit Answer...