A water has the following analysis (mg/L as ion or compound): Na+ 20 mg/L 40 mg/L K 30 mg/L 67 mg/L Ca²+ 15 mg/L 0 mg/L 20 mg/L 5 mg/L 2 mg/L 10 mg/L Mg2+ Sr²+ CI HCO3 2- CO3²- SO₂²- NO3 Atomic weight of Na = 23, K = 39.10, Ca = 40.08, Mg = 24.31, Sr= 87.62, Cl = 35.45, H = 1, C = 12, 0 = 16, S = 32.07, and N = 14) What is the total hardness in mg/L as CaCO3? What is the carbonate hardness in mg/L as CaCO3? A/ What is the noncarbonate hardness in mg/L as CaCO3? A

A water has the following analysis (mg/L as ion or compound): Na+ 20 mg/L 40 mg/L K 30 mg/L 67 mg/L Ca²+ 15 mg/L 0 mg/L 20 mg/L 5 mg/L 2 mg/L 10 mg/L Mg2+ Sr²+ CI HCO3 2- CO3²- SO₂²- NO3 Atomic weight of Na = 23, K = 39.10, Ca = 40.08, Mg = 24.31, Sr= 87.62, Cl = 35.45, H = 1, C = 12, 0 = 16, S = 32.07, and N = 14) What is the total hardness in mg/L as CaCO3? What is the carbonate hardness in mg/L as CaCO3? A/ What is the noncarbonate hardness in mg/L as CaCO3? A

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter4: Temperature Effects On Atom Arrangements And Atom Motion

Section: Chapter Questions

Problem 4.22P

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Complete solution
A water sample contains the following dissolved ions: [Na+] = 75 mg/l [HCO]=250 mg/1 [CH] = 100 mg/l [Ca²+] = 45 mg/l [Mg²+] = 48 mg/1 [A1³+] = 5 mg/1 Atomic weight: H = 1; C = 12; O=16; Na = 23, Ca = 40, Mg = 24; Al = 27; CI = 35.5 The total hardness of the sample in mg// as CaCO3 is
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