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137. Solving a chemistry problem

Content: A615-2.rar (37.89 KB)
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When determining ethanol by gas chromatography, the height of the peaks was measured depending on the mass of alcohol and the following data were obtained:
m, mg 0.2 0.4 0.6 0.8 1.0
h, mm 18 37 48 66 83
For 0.02 g of the test solution, a peak with a height of 57 mm was obtained. Calculate the mass fraction (%) of ethyl alcohol. Indicate the method of determination.
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