A solution is made by mixing 117. g of thiophene (C4H4S) and 90. g of heptane (C7H16). Calculate the mole fraction of thiophene in this solution. Round your answer to 3 significant digits.
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Thiophene: (4 * 12.01) + (4 * 1.01) + (1 * 32.07) = 48.04 + 4.04 + 32.07 = 84.15 g/mol Heptane: (7 * 12.01) + (16 * 1.01) = 84.07 + 16.16 = 100.23 g/mol Show more…
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