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Inquiries in Science®: Observing Colligative Properties Kit

$165.35
(in stock)

Description

Grades 9–12.

  • Determine the freezing-point depression of ionic and molecular substances
  • Graph freezing-point curves
  • Determine the van't Hoff factors of an unknown substance
Students first determine how freezing points of solvents can be depressed by the addition of nonvolatile solutes. They then experimentally determine the molar mass of an unknown compound and design an experiment to determine the boiling point constant for water. Kit includes enough materials for at least 30 students working in groups.

Specifications

What’s Included:
  • 2 Grease Pencils, Black
  • 40 Test Tubes
  • 250 Weighing Boats, Medium
  • 1 Sucrose, 500 g
  • 2 Sodium Chloride, 500 g
  • 2 Calcium Chloride, 20 g
  • 1 Teacher's Manual with Reproducible Student Guide
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Needed But Not Included:
  • 12 Beakers, 250 mL
  • 4 Beakers, 400 mL
  • 30 Small Beakers, 50, 100, or 150 mL
  • 10 Laboratory Thermometers, –20 to 110° C
  • 10 Graduated Cylinders, 50 mL
  • 10 Test Tube Racks
  • 10 Stopwatches
  • 10 Stirring Rods
  • 10 Hot Plates
  • 10 Ring Stands
  • 10 Thermometer Clamps
  • 10 Beaker Tongs
  • 3 Chemical Scoops
  • 1 Balance, 0.1 g
  •  Graph Paper
  •  Crushed Ice
  •  Distilled Water
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