深夜亚洲福利久久

10.12 The SI unit of amount of matter; the mole



The UK website contains contains some up-to-date information on the 2019 redefinition of the .

 

This interesting NPL  explains some of the issues behind the redefinition and its implications.

Understanding Physics

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Mansfield and O'Sullivan, Understanding Physics, 3rd ed., John Wiley & Sons, Chichester (2020),

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