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Unformatted text preview: 0.154g to 0.082 g b. Mole ratio of Mg to O c. Empirical formula of magnesium oxide d. Percent by mass of magnesium e. Percent by mass of oxygen Write a balanced chemical equation for the reaction that took occurred. Laboratory Question (1) 1. The crucible is not fired, as the procedure suggests, but hsf retained some impurities from previous use. The mass of the “dirty” crucible is recorded. However, the impurities are burned off in the experiment. Will the reported mass of the final product be too high, too low, or unchanged as a result of this technique error? Explain....
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This note was uploaded on 02/06/2011 for the course CHM 1045 taught by Professor Vega during the Spring '09 term at Valencia.
- Spring '09