Chem Lab

Introduction: In this experiment, calcium chloride was reacted with sodium hydroxide fit to the following fit equation: CaCl2(aq) + 2NaOH(aq) Ca(OH)2(s) +2NaCl(aq) The purpose doing this reaction was to coif stoichiometry calculations. Stoichiometry is the process of keeping track of the quantitative relationship amidst reactants and produces in a reaction. In a stoichiometry fuss, the coefficients in the balance equation provide the correction number of moles of each substances that is unerring to complete the reaction. Often in a reaction, there is a narrowing reagent since the exact proportions of moles of the reactants are not present. Thus, a confining reagent is the reactant that determines how far the reaction will go before do the it to stop since there are fewer moles of it than the proportion requires. When play a limiting reagent stoichiometry problem, one is given the starting amounts of the reactants which should be converted into mole s. Next, the problem should be treated as both separate problems, and each amount of moles of reactants should be multiplied by the proportion of increase to reactant. This will solve for the amount of product that can be made with each of the two paired reactants.

The correct amount of product that can be produced is the small of the two values since that reactant limits the production of product. In this lab, the theoretical reprieve down of the equation is found by using the attribute of stoichiometry problem mentioned above, and the actual stand is how much product is actually form in the lab. The percent yield, a comparison between theo! retical and actual yield, is than found using the equation: portion yield = (actual yield / theoretical yield) X 100% selective information and Calculations: balance Equation: CaCl2(aq) + 2NaOH(aq) Ca(OH)2(s) +2NaCl(aq) Table 1: Results multitude of CaCl2 Added (mL)| Volume of NaOH Added (mL)| potful of Ca(OH)2 Obtained (grams)| 5.00| 2.97| .26|...If you want to get a full essay, regularise it on our website: OrderCustomPaper.com

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