Sample of water has hardness 77.5ppm Ca^(2+). If this is passed through an ion exchange column where Ca^(2+) is replaced by H^(+), what is the pH of water after it has been so treated

Sample of water has hardness 77.5ppm Ca^(2+). If this is passed throug

1.	Sample of water has hardness 77.5ppm Ca^(2+). If this is passed through an ion exchange column where Ca^(2+) is replaced by H^(+), what is the pH of water after it has been so treated
Answer» 1.4 4.4 2.4 5.4 Answer :C