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AP6356 - $29.45
Classic AP Requirement #4—Determination of Molar Mass by Freezing Point Depression   Students determine the molar mass of an unknown substance by measuring the freezing point depression of a solution of the unknown substance and the compound...
AP5948 - $36.05
Why do road crews spread salt on the roads in the winter? Is one salt better than another to melt snow and ice? Discuss colligative properties as students determine the effect of dissolved impurities on the freezing point of a substance and compare...
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