Stoichiometry and the Ideal Gas Law

Stoichiometry and the Ideal Gas Law - Stoichiometry and the...

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Stoichiometry and the Ideal Gas Law Gardner Yost Tyi McCray Lab: O
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Purpose: To devise and implement a procedure capable of determining the identity of an unknown salt by reacting it with sulfamic acid. Observations: -Barometric pressure of Baker hall: 746 mm/hg -Unknown solid number 5313 -Mass solid + Vial = 18.22g -Mass Vial = 15.285g -Mass solid = 2.935 -Temperature of water in beaker (aka temperature of Nitrogen)= 23C -Note: we ran out of water in our Florence flask toward the end of the reaction. -Mass of water + beaker = 580.3 g - Mass beaker = 193.146 g - Mass water = 387.154 g Calculations: 387.154g water (1g/ml water) = 387.154 ml water (nitrogen produced) PV=nRT (.981579atm)(.387154L)=n(.08206)(296.15K) n=.015999 mols Nitrogen Because Nitrogen and the unknown salt are in a 1:1 ratio during the reaction, we
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