Experiment_2

Experiment_2 - Data Table #1 Initial Volume of 2.50 M...

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Data Table #1 Mixture #1 Mixture #2 Mixture #3 Mixture #4 Initial Volume of 2.50 M Sodium Hydroxide (ml) 29.9 32.9 37.0 42.0 Final Volume of 2.50 M Sodium Hydroxide (ml) 32.9 37.0 42.0 48.0 Volume of 2.50 M Sodium Hydroxide Delivered (ml) 3.00 4.10 5.00 6.00 Volume of 1.00M Calcium Chloride Delivered (ml) 5.00 5.00 5.00 5.00 Table #2 Mixture #1 Mixture #2 Mixture #3 Mixture #4 Excess Reagent Test with Sodium Hydroxide + - - - Excess Reagent Test with Calcium Chloride - + + + Table #3 Mixture #1 Mixture #2 Mixture #3 Mixture #4
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Initial Mass of Filter Paper (grams) 1.03 1.01 1.00 1.02 Initial Mass of Filter Paper with Precipitate (grams) 1.63 1.66 1.68 1.71 Mass of Precipitate (grams) 0.60 0.65 0.68 0.69 Calculation of Moles Added Equation used to calculate the number of moles added: Moles = (Liters) (Molarity) Molarity = Moles/Liters Moles of NaOH added: Mixture #1 : (3.00 x 10 -3 Liters of NaOH) (2.50 M of NaOH) = 7.50 x 10 -3 Moles of NaOH Mixture #2: (4.10 x 10 -3 Liters of NaOH) (2.50 M of NaOH ) = 1.03 x 10 -2 Moles of NaOH Mixture #3: (5.00 x10 -3 Liters of NaOH) (2.50 M of NaOH) = 1.25x10 -2 Moles of NaOH
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Mixture #4 : (6.00 x 10 -3 Liters of NaOH) (2.50 M of NaOH) = 1.50 x 10 -2 Moles of NaOH Moles of CaCl 2 added: Mixtures #1 through #4 (5.00 x 10 -3
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Experiment_2 - Data Table #1 Initial Volume of 2.50 M...

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