Determination of the common ion effect 1. Determine the volume of HCl used. Volume of HCl used = final buret reading - initial buret reading 2. Compute for the moles of H+ used and the moles of OH present. moles of Ht used = (concentration of HCI) x (volume of HCl used) moles of OH = moles of H used %3D 3. Use the dilution formula to determine the initial concentration of the common ion, CVi = C2V2 contration of the

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Chapter1: Chemical Foundations
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Ksp = 8.0 x 10^-6 0.100 M HCl Saturatd Ca(OH)2
Titration data for the determination of the common ion effect.
Parameter
Trial 1
Trial 2
Final buret reading (mL)
Initial buret reading (mL)
Temperature (°C)
22.80
23.20
20.00
20.00
25
25
Transcribed Image Text:Titration data for the determination of the common ion effect. Parameter Trial 1 Trial 2 Final buret reading (mL) Initial buret reading (mL) Temperature (°C) 22.80 23.20 20.00 20.00 25 25
Determination of the common ion effect
1. Determine the volume of HCI used.
Volume of HCl used = final buret reading - initial buret reading
2. Compute for the moles of H* used and the moles of OH present.
moles of H* used = (concentration of HCI) x (volume of HCl used)
moles of OH = moles of H used
3. Use the dilution formula to determine the initial concentration of the common ion,
CiVi = C2V2
4. Calculate the molar solubility (mol/L) of OH and Ca2+. Make sure to include the concentration of the c
the calculation.
5. Determine the solubility (in g/L) and Ksp of Ca(OH)2.
uintod without the written permission of the
Transcribed Image Text:Determination of the common ion effect 1. Determine the volume of HCI used. Volume of HCl used = final buret reading - initial buret reading 2. Compute for the moles of H* used and the moles of OH present. moles of H* used = (concentration of HCI) x (volume of HCl used) moles of OH = moles of H used 3. Use the dilution formula to determine the initial concentration of the common ion, CiVi = C2V2 4. Calculate the molar solubility (mol/L) of OH and Ca2+. Make sure to include the concentration of the c the calculation. 5. Determine the solubility (in g/L) and Ksp of Ca(OH)2. uintod without the written permission of the
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