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1. Why was excess dry ice used in step 3 of the procedure? 2. Why do gas laws use degrees Kelvin rather than degrees Celsius? 3. Were you surprised at how accurately the mass of a molecule of CO 2 could be determined With such simple equipment? Explain why or why not? 4. If you didn"t wipe away any frost or condensation formed during sublimation, how would Your molar mass value be affected?

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