Quantitative chemical analysis.
Please show some work, Ill choose best correct answer asap. Thanks!
Show transcribed image text The quantity of acetylene (HC + CH) in a gas mixture was measured by mass spectrometry, in which the signal for mass number 26 is proportional to the volume percent of acetylene. Subtract the value (0.2 mV) from each measured signal. Prepare a graph to find the volume percent of acetylene in the unknown. Use the method of least squares to find the uncertainties in slope and intercept of your graph and to estimate the uncertainty in the answer to part (a).
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