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What are three errors that could cause one of your mass percentages to be too high?

Question

What are three errors that could cause one of your mass percentages to be too high? 

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Step 1

Mass percent or weight percent of a solution is the mass of the solute by the mass of the solution multiply by 100.   

mass of solute
Mass
x 100
Mass of solution
mass of solute
Mass
-x100
mass of solvent)
(Mass of solute
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mass of solute Mass x 100 Mass of solution mass of solute Mass -x100 mass of solvent) (Mass of solute

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Step 2

During the experiment, there are several possible errors which give results far from accuracy. Error in quantitative analysis can be due to different reasons such as error in weight, volume etc. There are two types of error; systematic and random.

Step 3

The systematic error are above and below to the absolute value. These errors can be eliminate with a better experiment as it gives the measured mean equals to the true mean.

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