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The elemental analysis of an organic solid extracted from gumarabic (a gummy

substance used in adhesives, inks, and pharmaceuticals) showed thatit contained 40.0

percent C, 6.7 percent H, and 53.3 percent O. A solution of 0.650 gof the solid in 27.8 g

of the solvent diphenyl gave a freezing?point depression of1.56

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Elin Hessel
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28 Sep 2019

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