Molar Mass of Oxygen Essay Example for Free

Molar Mass of Oxygen actApplying the individual % of elements in Water to the wedge napConclusion____________________________________________________________In conclusion the experimental value of the jettyar mass of oxygen is. To achieve this result, we wrote the chemical reaction, compared the ratio of mole between and, find the mole produced by water using the excogitateula, calculate the molar mass from the mol value, calculate the % of individual elements in water, and decision oxygens molar mass from the overall molar mass.Analysis Evaluation ___________________________________________________-In analysis, our results show an unreasonable result. The majority of the disap flushment is from the volume result. From Avogrados law we know that. As such, because the average volume (0.051 L) was low, the mol resulting from it is also low. A nonaged mol results in a large Mr value, or in our case the Mr of Oxygen is too high.-Another point to that is that if the experiment was assuming r.t.p, our results prove to be incorrect again. If we compared the mol, the actual mol results of andusing the ideal gas laws is antithetic than if we calculated using normal Stoichiometry.From Stoichiometry, the actual mol of is, and if we compared it to a ratio of 22, the actual mol value of is also 0.138 mol. yet in our experiment using the gas law, our mol result was. once more this is due to the fact of the low come of volume recorded.-In addition to that point, from the section to Calculate molar mass of Water using the mass of Hydrogen Peroxide , another flaw to the experiment was the amount of doubt in the result. From the section we apply the law of conservation of mass stating that no mass is created or destroyed. Or in this experiments case, most of the mass decomposes into Oxygen gas and finally results in the volume of water displaced from the process.However as shown from the low amount of volume our group collected, this can result in two conclusions. The first gear conclusion is that most of the oxygen gas that eventually turns into the volume of water left is lost to the surround (from the test tube openings) OR the second conclusion is that our group did not wait long lavish and thus lost some potential volume results.-To evaluate, the major flaw to the experiment was the value of the information collected.Part of the reason was because we used Vaseline as a tool to rationalise the amount of energy (in the form of the Oxygen gas) to the surroundings.Vaseline is a good measure to do so, however a better alternative is belike to increase the number of trials, to have a more close system that may significantly reduce the uncertainties, and to maybe reduce the length of rubber tube (by reducing the length of rubber tube the amount of water left is reduced).ReferencesIB- Foundation books.Raymond Chang (pg 87, 181, 182, 191.etc)