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What is the standard uncertainty of the mass

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-A calibration mass is certified as 0.05003 g ±0.02 mg. What is the standard uncertainty of the mass in grams and in mg?

-The standard deviation of repeat weighing of a 50 mg mass is 0.033 mg. What is the standard uncertainty of a single weighing?

-5 absorbance readings were 0.123, 0.125, 0.128, 0.120 and 0.122. What is the standard uncertainty of: (a) a single absorbance reading? (b) the mean absorbance?

Reference no: EM132748017

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What is the standard uncertainty of the mass : -A calibration mass is certified as 0.05003 g ±0.02 mg. What is the standard uncertainty of the mass in grams and in mg?
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