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27 January, 13:02

A student measures an average molecular weight of 170.2 g/mol with a standard deviation of 1.7. What is the precision of this measurement?

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  1. 27 January, 14:57
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    Answer: The precision of measurement is,

    (170.2 ± 1.7) g/mol

    Explanation: The precision of a set of measurements shows how the measured values spread around a particular mean.

    Mathematically, it is represented as,

    Mean ± standard deviation

    For this question, it is

    (170.2 ± 1.7) g/mol

    QED!
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