C Homework Help Ask A Qu x WWN 7637: HWK 11 C fi smartwork.wwnorton.com/sw/mod/s

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C Homework Help Ask A Qu x WWN 7637: HWK 11 C fi smartwork.wwnorton.com/sw/mod/smartwork/view.php?id 366787 artwork Marshall University Huntington Campus, CHM 212, Spring 2015, Professor Day SMARTWORK 3.0 WWN7637 HWK 11 Ebook Calcu Periodic Table Pri Question 14 of 14 (1 poin x Incorrect X Incorrect A 183 mg sample of a nonelectrolyte isolated from throat lozenges was dissolved in enough water to make 10.0 mL of solution at 25 °C. The osmotic pressure of the resulting solution was 4.94 atm. Calculate the molar mass of the compound. Number g/mol v Check Answer View Solution Hin Record my Grade Progress 5 6 7 8 9 10 11 12 13 E

Explanation / Answer

Osmotic pressure = Molarity * R *T

4.94 = ((183*10^-3/M)/0.01) * 0.0821 * 298

M = (183*10^-3) * 0.0821 * 298/(0.01 * 4.94) = 90.63 g/mol

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