총알칼리도(mg/L as CaCO3) 계산 예제

총알칼리도(mg/L as CaCO3) 계산 예제

 

 

Convert the following from mg/L as the ion to mg/L as CaCO3.

A) 83.00 mg/L Ca^2+

B) 27.00 mg/L Mg^2+

C) 48.00 mg/L CO2

D) 220.00 mg/L HCO3^-

E) 15.00 mg/L CO3^2-

 

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A) 83.00 mg/L * (1 mmol / 40.08 mg) * (2 meq / 1 mmol) * (100 mg CaCO3 / 2 meq)

= 농도(mg/L) * (1 / 몰질량) * (당량수 / 1) * (100 / 2)

= 농도(mg/L) / 몰질량 * 당량수 * 50

= 83.00 / 40.08 * 2 * 50

= 207.09 mg/L as CaCO3

 

 

B) 27.00 mg/L * (1 mmol / 24.31 mg) * (2 meq / 1 mmol) * (100 mg CaCO3 / 2 meq)

= 27.00 / 24.31 * 2 * 50

= 111.07 mg/L as CaCO3

 

 

C) 48.00 mg/L * (1 mmol / 44.01 mg) * (2 meq / 1 mmol) * (100 mg CaCO3 / 2 meq)

= 48.00 / 44.01 * 2 * 50

= 109.07 mg/L as CaCO3

 

 

D) 220 mg/L * (1 mmol / 61.02 mg) * (1 meq / 1 mmol) * (100 mg CaCO3 / 2 meq)

= 220 / 61.02 * 1 * 50

= 180.27 mg/L as CaCO3

 

 

E) 15.00 mg/L * (1 mmol / 60.01 mg) * (2 meq / 1 mmol) * (100 mg CaCO3 / 2 meq)

= 15.00 / 60.01 * 2 * 50

= 25.00 mg/L as CaCO3