Chem lab 4 what a bore

Chem lab 4 what a bore - Experiment 4: Stoichiometry and...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Experiment 4: Stoichiometry and the Ideal Gas Law By Chris Bostick Lab Instructor Chris Sgro October 14, 2005
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Results and Discussions: The goal of this experiment was to determine the identity of an unknown nitrite salt (7298), formula MNO 2 where M + is an alkali metal cation. By dissolving nitrite salt in an excess of sulfamic acid, the amount of moles of nitrogen gas can be determined. Using the balanced equation given in the lab manual for the reaction of nitrite salt + sulfamic acid, the moles of N 2 can be stoichiometrically converted into moles of MNO 2 . Using this with the additional information of temperature and pressure inserted into the Ideal Gas Law the unknown salt identity can be solved by taking moles of MNO 2 and finding grams/mol. Balanced Chemical Equation for Reaction of Unknown Nitrite: MNO 2 (aq) + HSO 3 NH 2 (aq) ---- MHSO 4 (aq) + H 2 O(l) + N 2 (g) The procedure for finding moles of MNO 2 was solved by using the Ideal Gas Law PV = nRT, where n is the only unknown, all others were measured during the lab. Pressure was obtained by using P
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/30/2008 for the course CHEM 2080 taught by Professor Davis,f during the Spring '07 term at Cornell.

Page1 / 3

Chem lab 4 what a bore - Experiment 4: Stoichiometry and...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online