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E1 Chemical Formulae

E1 Chemical Formulae - Pre-laboratory Questions 1 Calculate...

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Chemistry 2070 Fall 2010 Experiment 1 Determination of Chemical Formulae Write the following procedure changes and the answers to these prelaboratory questions in your lab notebook. Answers to these questions must be turned in to your Lab TA before you may do any experimental work. Prelab 1 answers are due at the start of lab the week of 9/7-9/10 for Tuesday-Friday lab sections and on 11/22 for Monday lab sections.
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Unformatted text preview: Pre-laboratory Questions: 1. Calculate the number of moles of each reagent present in 2.0 g of elemental zinc and iodine. 2. If, in a similar experiment, 57.890 g of copper reacts completely with 14.619 g of sulfur what would be the empirical formula of the resulting compound? 3. What are the noteworthy safety precautions you must be aware of in each part of the experiment?...
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