Q42
Find the percentage of blackdamp from the mine air sample (pressure by volume) shown below: O2 = 19.11; N2 = 79.04; CO2 = 0.25; CO = 0.02; CH4 =1.58
A.
6.1
B.
7.1
AnswerC.
8.1
D.
9.1
Answer: Option B
Solution
Answer: Option B
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