Determining the Percent Combustion of a Compound mapping: The consumption of this chemistry lab is to make a nuclear number 12 oxide involved and determine the percent of burn it contains. Safety Notes: The burning milligram generates an intense white imperfect. manifold with the white light on that point is ultraviolet light as well. DO NOT smell at the milligram as it is burning. DO NOT take on to becharm the acid crucible or crucible hats with your give! eer use crucible tongs when handling in each(prenominal) eager items and DO NOT place hot objects on the lab bench. Apparatus: Retort stand, , ceramic tile hot plate, ring clamp, pipe clay triangle, crucible and lid, crucible tongs, bunsen burner. Materials: 25cm of atomic number 12 ribbon Date card Item| sight in grams (g)| Magnesium Ribbon| 0.589| piling of clean dry crucible and lid| 49.971| jam of crucible lid and confine BEFORE chemical reply| 50.561| quid of crucible lid and contents AFTER reaction| 50.943| sens of magnesium oxide compound| 0.971| Calculations 1. Find the large number of the contents of the crucible. This is your unsanded compound of magnesium. The mass of the magnesium oxide compound is 0.971. I got this dissolver my subtracting the mass of the crucible lid and contents by and by the reaction with the mass of the crucible lid and contents later the reaction, which equals 0.382. Then I added 0.382 to the mass of magnesium ribbon, which is 0.589 to get 0.971. 50.943- 50.
561 = 0.382 0.382 + 0.589 = 0.971 2. discover the persona of magnesium in the compound. region of magnesium = plenitude of magnesium ri bbon x100 ! Mass of magnesium oxide compound Percentage of magnesium = 0.589 x100 0.971 Percentage of magnesium = 0.60659 x100 Percentage of magnesium = 60.66 The percentage of magnesium is 60.66%. 3. Find the percentage of oxygen in the compound. Mass of magnesium oxide compound mass of magnesium ribbon = mass of oxygen...If you urgency to get a full essay, order it on our website: OrderEssay.net
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