chem 2 lab for izzy 22.docx - Report Sheet Table 1 showing the values for the Molar Solubility and solubility Product of Calcium Hydroxide A Molar

chem 2 lab for izzy 22.docx - Report Sheet Table 1 showing...

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Report Sheet: Table 1 showing the values for the Molar Solubility and solubility Product of Calcium Hydroxide A. Molar Solubility and Solubility Product of Calcium Hydroxide Trial 1 Trial 2 Trial 3 Volume of saturated Ca(OH) 2 solution (mL) 25 25 25 Concentration of standardized HCL solution (mol/L) 0.0235 Buret reading, initial (mL) 0 0 0 Buret reading, final (mL) 23.7 23.5 23.6 Volume of HCL added (mL) 23.7 23.5 23.6 Moles of HCL added (mol) 5.57*10 -4 5.52*10 -4 5.55*10-4 Moles of OH - in saturated solution (mol) 5.57*10 -4 5.52*10 -4 5.55*10 -4 [OH - ], equilibrium (mol/L) 0.02228 0.02208 0.02220 [Ca 2+], equilibrium (mol/L) 0.01114 0.01104 0.01110 Molar solubility of Ca(OH) 2 (mol/L) 0.01114 0.01104 0.01110 Average molar solubility of Ca(OH) 2 (mol/L) 0.01118 K sp of Ca(OH)2 5.53*10 -6 5.38*10 -6 5.47*10 -6 Average K sp 5.46*10 -6 Standard deviation of K sp 6.16*10 -8 Relative standard deviation of K sp (%RSD) 1.13% Table 2 showing the molar solubility of calcium hydroxide in the presence of a common ion B. Molar Solubility of Calcium Hydroxide in the Presence of a Common Ion Trial 1 Trial 2 Trial 3 Volume of saturated Ca(OH) 2 with added CaCl 2 solution (mL) 25 25 25
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