CHM135H1 Lecture Notes - Supersaturation
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I need help figuring out the #9 for both trials. I also wanted to know if #8 is correct. Show work please!
B. Molar Solubility of Calcium Hydroxide in the Presence of a Common Ion | ||
Trial 1 | Trial 2 | |
1. Volume of saturated Ca(OH)2 with added CaCl2 solution (mL) | 25 | 25 |
2. Concentration of standardized HCl solution (mol/L) | 0.0465 | |
3. Buret reading, initial (mL) | 0 | 0 |
4. Buret reading, final (mL) | 39.4 | 42.6 |
5. Volume of HCl added (mL) | 39.4 | 42.6 |
6. Moles of HCl added (mol) | 0.00183 | 0.00198 |
7. Moles of OH- in saturated solution (mol) | 0.0366 | 0.0396 |
8. [OH-], equilibrium (mol/L) | 0 | 0.0238 |
9. Molar solubility of Ca(OH)2 with added CaCl2 (mol/L) | ||
10. Average molar solubility of Ca(OH)2 with added CaCl2 (mol/L) |