For each of the following, state whether the solution at 25C is acidic, neutral, or basic: (a)
Question:
(a) A 0.1 M solution of trisodium phosphate, Na3PO4, has a pH of 12.0.
(b) A 0.1 M solution of calcium chloride, CaCl2, has a pH of 7.0.
(c) A 0.2 M solution of copper(II) sulfate, CuSO4, has a pH of 4.0.
(d) A sample of rainwater has a pH of 5.7.
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