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Avogadro constant  Value  6.022 141 79 x 1023 mol-1  Standard uncertainty  0.000 000 30 x 1023 mol-1   Relative standard uncertainty   5.0 x 10-8  Concise form  6.022 141 79(30) x 1023 mol-1       Click here for correlation coefficient of this constant with other constants Source: 2006 CODATA      recommended values  Definition of uncertainty       Correlation coefficient with any other constant     or