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Finding the percentage of Nickel in an unknown compound. LAB 3 I. Purpose: Finding the percentage of Nickel in an unknown compound. II. Objectives: To separate and weigh nickel from a sample that contains an unknown amount of nickel and to use the mole method to determine the amount of nickel in the unknown sample. III. Background: Analytical chemistry can be simply divided into two areas. Qualitative analysis and quantitative analysis. The two words "qualitative", means to find out if a specific substance is present in a soil sample, and "quantitative" means to determine how much of that substance is in the sample. The analytical chemist has many tools at his disposal, for this quantitative experiment we will be performing a gravimetric analysis to find our how much nickel is in an unknown sample. Gravimetric analysis means to separate the nickel from the sample, and then weigh it. Your instructor will give you a...

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