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Lecture

Solubility Lab
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Department
Chemistry
Course
Chemistry 1027A/B
Professor
Tom Haffie
Semester
Fall

Description
Luke Kazman 1 April 16, 2012 Partner: Michael Situ Determination of a Solubility Product Constant Lab Purpose: The purpose of this experiment is to mix solutions of lead (II) nitrate and potassium iodide at a number of different dilutions and record the first situation in which no precipitate occurs. By calculating the ion concentrations in the solutions involved, an estimated Ksp range can be determined. Materials/ Apparatus: – 12 test tubes (18 mm x 150 mm) – 2 test-tube racks – 2 graduated cylinders (10 mL) – medicine droppers – beaker (400 mL) – 2 beakers (100 mL) – hot plate – thermometer – masking tape – safety goggles – 0.010M Pb(NO3)2(aq) – 0.020M KI(aq) Method: 1) Safety goggles were put on. 2) 40mL of 0.010M Pb(NO3)2 and 0.020M KI were put in separate 100mL beakers and labelled. 3) 12 test tubes were arranged into
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