所屬科目：研究所、轉學考(插大)◆環境工程
1. Determine the mg/L of O2 required for a BOD test if 0.1 mmol of urea, (NH2)2CO, is completely oxidized into CO2, and water in a 50 ml sample. (20 points)
2. A stack gas contains carbon monoxide (CO) at a concentration of 10 % by volume. What is the concentration of CO in ug/m3? (assuming 25℃ and I atmosphere pressure) (20 points)
3. Express 10 mg/L of as CaCO3. (Mg=24, Ca=40, C=12, O=16) (20 points)
阿摩線上測驗
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阿摩線上測驗
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and water in a 50 ml sample. (20 points)
as CaCO3. (Mg=24, Ca=40, C=12, O=16) (20 points)