A series of solutions containing NaOH, Na2CO3, and NaHCO3, alone or in
compatible combination, was titrated with 0.1202 M HCl. Tabulated below are the volumes of acid
needed to titrate 25.00-mL portions of each solution to (1) a phenolphthalein and (2) a bromocresol
green end point. Use this information to deduce the composition of the solutions. In addition, calculate
the mass in milligrams of each solute per milliliter of solution.
(1) | (2) |
(a) 22.42 | 22.44 |
(b) 15.67 | 42.13 |
(c) 29.64 | 36.42 |
(d) 16.12 | 32.23 |
(e) 0.00 | 33.33 |
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