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Avogadro constant  Value  6.022 141 29 x 1023 mol-1  Standard uncertainty  0.000 000 27 x 1023 mol-1   Relative standard uncertainty   4.4 x 10-8  Concise form  6.022 141 29(27) x 1023 mol-1       Click here for correlation coefficient of this constant with other constants Source: 2010 CODATA      recommended values  Definition of uncertainty       Correlation coefficient with any other constant