/2017 05:00 PM 67/100 12/1/2017 1131 AM Print Calculator M Periodic Table Gr n 1

Question

/2017 05:00 PM 67/100 12/1/2017 1131 AM Print Calculator M Periodic Table Gr n 17 of 28 Sapling Learning Map Hydrogen produced from a hydrolysis reaction was collected over water and the following data was compiled Total volume of Hag) oollected96.20 mL Temperature 220 738 mmHg 19.5 mmHg Vapor Pressure of water at 22.0 Calculate the moles of hydrogen gas produced by the reaction. Number mol H O Prevous 9 Check Answer 0 Next Exit Gve Up & View Solulion Hint about us careers privacy policy terms of use contact

Explanation / Answer

barometric pressure = 738 mmHg

vapour pressure of water = 19.5 mmHG

pressure = 738 - 19.5 = 718.5 mmHg = 0.9454 atm

volume = 96.20 mL = 0.09620 L

temperature = 22 oC = 295.15 K

P V = n R T

0.945 x 0.09620 = n x 0.0821 x 295.15

n = 3.75 x 10^-3

moles of hydrogen gas produced = 3.75 x 10^-3 mol

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