labreport3 - Results and Discussion: acid was reacted with...

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Results and Discussion: acid was reacted with a sample of a nitrite salt (5248), and various measurements taken during and after this reaction were used to determine the identity of the nitrite salt based on the following balanced chemical reaction: MNO 2(aq) + HSO 3 NH 2(aq) MHSO 4(aq) + H 2 0 (l) + N 2(g) Table 1: Data Used to Perform Calculations Temperature of H 2 0 and N 2 24 ºC=297.15K Mass of H 2 0 292.243 g Atmospheric Pressure 756 mm Hg Mass of Sample 5248 1 g Density of Water 1 g/mL 3 The following calculations were performed in order to determine the identity of the nitrite salt 5248 (MNO 2 ) where M + could be Li + , Na + , K + , or Rb + .
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First, using Dalton’s Law of Partial Pressures, (P total =P H20 + P N2 ), the pressure of N 2(g) was determined, assuming that the total pressure was atmospheric pressure and using the partial pressure of water at 24 ºC. 756 mm Hg= 22.38 mm Hg + P N2 P N2(g) = 733.62 mm Hg Next, the volume of N 2(g) was found using the formula for density
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labreport3 - Results and Discussion: acid was reacted with...

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