Question 3: A sample of rainwater was found to contain 0.2 ppb of the alkane C20H42. Determine the molar concentration o
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Question 3: A sample of rainwater was found to contain 0.2 ppb of the alkane C20H42. Determine the molar concentration o
Question 3: A sample of rainwater was found to contain 0.2 ppb of the alkane C20H42. Determine the molar concentration of the alkane. [Please write exponential notation in the form used by Excel, for example 1.00E02 or 1.00E- 02.] Your answer Question 4: You have used an approximation to do the calculation in Question 3. * Under which conditions can you use this approximation? Your answer