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  • Gravimetric Determination of Water in Hydrated Magnesium Chloride

     

    Essays1 Chemistry

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ID number:751834
 
Evaluation:
Published: 01.12.1996.
Language: English
Level: Secondary school
Literature: n/a
References: Not used
Extract

Discussion: The MgCl2 had to be heated to constant mass to give as accurate a reading as possible for the mass of water evaporated. The crucible was cooled before weighing so it could be transferred to the desiccator without burning your hands.
The value of n calculated in the experiment and the true value of n are different due to errors in the experiment such as the transferring of materials could cause a different loss each time.
Conclusion: The value 'n' is 5 hence the formula is MgCl2.5H2O

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