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willjean7027
14.07.2021 •
Chemistry
You are given a metal sample that you are told is gold. Explain in a step-by-step procedure exactly how you could (a) determine if the metal is actually gold and (b) determine the purity of the gold if you know what other metals may be present. Write out your answer in a clear and well supported paragraph.
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Ответ:
The answer is provided below
Explanation:
To determine the metal is gold we will use the following steps
Calculate the density of the MetalTake the density of the pure goldCompare both densitiesTake a full water container
Place the metal in the container
Collect the water that spills out due to the placement of the metal
measure the mass of collected water.
Calculate the value in terms of the density of water, it will be the volume of metal.
Calculate the mass of the metal
Use the following formula to calculate the density of the metal
Density = Mass / Volume
Now compre the resulted density to the density of pure gold.
Ответ: