The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
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muon molar mass
 $  M({\rm\mu}) = N_{\rm A}m_{\rm\mu}$
 Numerical value  1.134 289 259 x 10-4 kg mol-1
 Standard uncertainty  0.000 000 025 x 10-4 kg mol-1
  Relative standard uncertainty  2.2 x 10-8
 Concise form  1.134 289 259(25) x 10-4 kg mol-1    
 
Click here for correlation coefficient of this constant with other constants
Source: 2018 CODATA     
recommended values
 
Definition of
uncertainty
 
     Correlation coefficient with
any other constant

 
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