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Chemistry lab

I have more pages that I'll attache it too This is an example for this assignment.. The reason of this experiment was to acknowledge the mass of the coins( quarter, dime, penny,and nickel) by putting all of the coins in a baker and recording the wight of it in a analytical balance table, but recording it multiple times but in each time she took one coin out and then recording the wight of the baker until it gets empty after that recording it when it's empty too. Then calculating the absolute error and relative error, then calculating the mass difference before and after removing each coin. This was accomplished by subs tracing the mass of coin (exp) from mass of coin(real) then dividing it by mass of coin(real) and multiply it by 100 to get the real mass it can be found in the US mints website.after calculating it the highest absolute error was the quarter and it was 114.891% and the lowest was the dime and it was 0.423%. The last part of the class was recording all the mass coins of the class, then recording the highest, lowest and the average mass. The result shows that the penny has highest error relative which it was 26.048%, and the lowest was the nickel which it was 1.976%. In conclusion no one in the class know who has the closest result to the real mass. Because everyone had different results.
I have more pages that I'll attache it too This is an example for this assignment..
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Assignment ID
26694
Discipline
Type
CREATED ON
May 11, 2016
COMPLETED ON
May 12, 2016
Price
$30
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