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Writing aim and conclusions in a report

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Aim
1. To determine the mole ratio of barium chloride to water in a hydrated barium chloride that BaCl2: H2O. Measure the mass before heating. Use heat For hydrate, and To find the mass of water measured after heating, and subtract the two masses to get mass of water. To convert mass into moles by using mass of water divided on molar mass of water.
2. To determine the percentage of a hydrate mixture of hydrated barium chloride and sand. Use Heat it to get the anhydrate mass of the lose water. Convert the mass into moles using the hydration number and get the Percentage = mass of hydrate divided on mass of total mixture multiply in 100.
Conclusion
This experiment was completed successfully. All required masses were found, and the process was followed precisely. The unknown hydrate was identified as Barium Chloride Dihydrate, BaCl2 • 2H2O.

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Solution Summary

The student had doubts about how to write aims and conclusions in a lab report. Here, I give a few tips on how to approach this part of lab writing.

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The aims are good, but you have to be more specific. For example, measuring the masses was not an aim, but the means to reach the objective of determining the hydrate composition. Then, it would look something like this:
Aim
'This work had mainly two objectives:
1. To determine the mole ratio of barium chloride to water in a hydrated barium chloride, BaCl2: H2O. In order to do that, the mass of the material was measured before and after heating, and the molar masses of BaCl2 and H2O were used to ...

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