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  3. the mass of a 25.850g piece of copper is measured

The mass of a 25.850g piece of copper is measured three times with two different balances...

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Chemistry

The mass of a 25.850g piece of copper is measured three timeswith two different balances with following results

Trial Method 1 (g)

1) 25.747

2) 25.745

3) 25.748

Trial Method 2 (g)

1) 25.70

2)25.75

3) 25.71

c. Calculate the % error for each method. method 1 _________method 2 _________ Which method is more precise? Explain youranswer.

Thank you

Answer & Explanation Solved by verified expert
4.2 Ratings (887 Votes)
standard deviation can be used to check accuracy or precisionif you are checking    See Answer
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