brass alloy
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Title: brass alloy

Essay Details:

Subject: Science
Author: Mittie M
Date: June 23, 2016
Level: University
Grade: B
Length: 3 / 760

Essay text:

Using a fume cupboard, I firstly placed 30cm3 of distilled water into a 250cm3 conical flask then slowly adding 15cm3 of concentrated nitric acid. I stirred it using a glass rod. 2. I then weighed out accurately 1.5g of the antique brass filings subsequently adding it to the diluted nitric acid in the fume cupboard. 3. Leaving the mixture for some minutes until all the brass was dissolved and allowing poisonous nitrogen dioxide gas to evaporate. 4. Afterwards I removed the solution from the flask and quantitatively added it to some distilled water in a 250cm3 volumetric flask making sure it went up to the mark using distilled water and mixing well...

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