Multiple Choice
A sample of water has hardness expressed as 81 ppm Ca2+(aq) .The sample is passed through an ion exchange column and the Ca2+(aq) ions are replaced by H+(aq) ions.What is the pH of the water after it has been treated? (1 ppm = 1 g solute/106 g solution)
A) 2.50 ppm
B) 1.10 ppm
C) 0.79 ppm
D) 2.39 ppm
E) 2.70 ppm
Correct Answer:
Verified
Correct Answer:
Verified
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