Multiple Choice
A sample of water has hardness expressed as 160 ppm Ca2+(aq) .The sample is passed through an ion exchange column and the Ca2+(aq) ions are replaced by Na+(aq) ions.What is the [Na+] in ppm of the water after it has been treated? (1 ppm = 1 g solute/106 g solution)
A) 46.0 ppm
B) 92 ppm
C) 184 ppm
D) 320 ppm
E) 80.0 ppm
Correct Answer:
Verified
Correct Answer:
Verified
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