Experiment on The Use of Analytical Balance in Determining the Water Content of a Given Hydrated Salt

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Title

The Use of Analytical Balance in Determining the Water Content of a Given Hydrated Salt.

Objective

  • Use of analytical balance to weight a given hydrated salt as accurate as possible to determine the weight of water in the salt.
  • Train us to handle the analytical balance to weight different object.

Data / Results

Individual Result:

Group Result:

Analysis and Calculations

Analysis:

        This experiment is to find out the mass of water in the hydrated salt (CuSO4 x ∙H2O). To find the mass of the water, we weighed the hydrated salt and then heat the hydrated salt in order to obtained the mass of the dehydrated salt, then the mass of the hydrated salt minus with the mass of dehydrated salt.

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        To weigh the mass of the salt accurately, we use analytical balance and the two-decimal balance to check the accuracy of the mass obtained. Analytical balance is an instrument used to measure mass to a high degree of precision. The two-decimal balance is an instrument used to measure mass at two-decimal point. Along the experiment we weighed the object by using both of the balances, the result obtained shows that the analytical balance is more accurate then the two-decimal balance, because the analytical balance show four decimal result that can detect small change s on the mass of the object. ...

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