Question

is the value of Avogadro's number always fixed​

Answer 1

Explanation:

In theory, NA specifies the exact number of atoms in a palm-sized specimen of a physical element such as carbon or silicon. ... In 1983, when the speed of light was specified as an integer, Avogadro's number became the last fundamental constant to be based on such an artifact.

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Answer 2

Answer:

yes the value of Avogadro's number is always fix

i.e 6.02 x 10²³