To find:
Carbon monoxide (CO) combines with the hemoglobin of the blood to form carboxyhemoglobin (COHb), which reduces transport of oxygen to tissues. Smokers routinely have a 4% to 6% COHb level in their blood. The quadratic model
(a) A kerosene heater or a room full of smokers is capable of producing 50 ppm of carbon monoxide. How long would it take for a nonsmoking person to start feeling the above symptoms and to round to the nearest tenth.
(b) The carbon monoxide concentration necessary for a person to reach the 4% to 6% COHb level in 3 hr and to round to the nearest tenth.
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