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Job's Method - Name Sec Lab TA Teammates DATA Job's Method...

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Name ________________________ Sec# _____ Lab TA ________________ Teammates ___________________________________________________ DATA: Job’s Method for Determining the Stoichiometry of a Reaction Concentration of NaOH _____________ mol/L Unknown Code: Acid _____ Concentration of Unknown Acid _____________ mol/L REACTION MIXTURE COMPOSITION Mixture Volume NaOH Volume Acid Max Temp Change 1 2 3 4 5 6 7 8 9 10 11 12
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NAME_ __________________________ Section _____ TA _______________________ Team Members ________________________________________________________ DATE DUE _______ [submitted upon entering lab, one week after experiment performed] Date submitted if not on due date _______________ ____/10 + ____/5 + ____/5 + _____/20 = ____/ 40 Pre-lab Pre-lab table Data Table Results Total Experiment #7: Job’s Method for Determining the Stoichiometry of a Reaction Results Sheet 1. Describe the two mixtures you composed after having identified the one which generated the largest temperature from mixtures 2-10 (pg 138). What did calorimetry results from those trials tell you about the molar stoichiometry of the acid neutralization under study? 2. Present a model calculation of the number of moles of acid and base present in one of the middle mixtures in the Data Table. Include units and report answers to the correct number of significant figures.
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