determination of the empirical formula of magnesium oxide

determination of the empirical formula of magnesium oxide -...

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Chemistry 1M Determination of the Empirical Formula of Magnesium Oxide Abstract To determine the empirical formula of magnesium oxide we take a strip of magnesium oxide and allow it to burn at a high temperature until it becomes a white powder, then we record the mass of the Magnesium Oxide which was .230g before the burning and .245g after it was burned in the crucible. By adding 1ml of distilled water we create an odor that is similar to that of ammonia. Through the recorded results that we have taken from this experiment we are allowed to use the stoichiometry and error analysis to determine the empirical formula of Magnesium Oxide. By using our recorded data we are able to find the empirical formula, and theoretical mass%. Data m(crucible+lid)=17.755g m(crucible+lid+Mg)=17.985g After burning: m(crucible+lid+Mg)=18.130g Results Mass of Mg .230g Mg Theoretical yield of MgO .383g MgO Mass of Oxide .375g MgO Mass of O incorporated .145g O Empirical formula MgO Percent mass of Mg and O in oxide
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determination of the empirical formula of magnesium oxide -...

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