This worksheet is wil be doing based the data on a hypothetical experiment While there are some similarities in the reaction u chemistry yo provided in this worksheet is different that you will need to be mindful these calculations accordingly of adapting Preparation Tip The CHEM 104 discussion group work packet titled has questions that are airceu userul in preparing for this lab These questions are indicated by the Thermodynamics lab icon in the packet flask Erlenmeyer DETERMINING INITIAL AND REACTION BASED CONCENTRATIONS Part A of Lab I n order to analyze your data you will need to determine the starting concentrations Consider the following information for our hypothetical experiment a A solution chemical equation below is produced by dissolving 0 125 mol of MX2 in MX 8 6 H O0 Calculate the concentrations of MH 0 and 1 00 L H20 M H 0 aq 2 X aq X in this solytion a o a lmolCAH 0 J CMC1 0 0 125 mol x CACH 0 125mol a a 2molX IL PK b U 250MX You want to use a stock solution containing 0 125 M MX in 5 00 M NaX Calculate the initial concentrations of M H0 and X in this solution NaX caq Na ag a X tX ag NaX xJ 500 0 50M 5 00M 5 251 MCH 0 J 0 1251 0 ID5M 9 7 Chemical Equilibrium and Thermodynamics
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