Score: 0.5 of 1 pt 11 of 12 (12 complete)
x CA-1.5.51
High concentrations of carbon monoxide CO can cause coma and possible death. The time required for a person to reach a COHb le
model T = .0002x2 - 316x + 127.9, where T is the exposure time in hours necessary to reach this level and 500 sxs 800 is the amou
a) What is the exposure time when x = 760?
b) Estimate the concentration of CO necessary to produce a coma in 8 hr.
What is the exposure time when x = 760?
3.3 hr
(Round to the nearest tenth as needed.)
Estimate the approximate concentration of CO necessary to produce a coma in 8 hr.
ppm
(Round to the nearest tenth as needed.)