4 Stoichiometry and the Ideal Gas Law Results and Discussions

4 Stoichiometry and the Ideal Gas Law Results and Discussions

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Results and Discussion: The experiment was implemented in order to identify the identity of an unknown nitrate salt (with a formula of MNO 2 , where M + is the alkali metal cation) by using the stoichiometric relationships found in the Ideal Gas Law. To determine the identity of the unknown nitrate salt, the unknown nitrate salt was dissolved in sulfamic acid shown with the following chemical reaction: MNO 2 ( aq ) + HSO 3 NH 2 ( aq ) MHSO 4 ( aq ) + H 2 O ( l ) + N 2 ( g ) (1) This reaction caused N 2 gas to form, which was the main component in the experiment to determine the identity of the unknown nitrate salt. The unknown nitrate salt was given a number of : 3285 . Using the Ideal Gas Law, PV=nRT, and the calculated values for each of the components of the Ideal gas law, the number of moles of the nitrogen gas was determined: Pressure, P, was determined using the known relationship of Dalton’s partial pressures, and the knowledge that the total pressure, P total , was the pressure of the room at the time of the
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4 Stoichiometry and the Ideal Gas Law Results and Discussions

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