Question

A. State and explain Avogadro's law.
B. Point out the difference between 12 g of
carbon and 12 u of carbon​

Answer 1

A. Avogadro's law, a statement that under the same conditions of temperature and pressure, equal volumes of different gases contain an equal number of molecules. ... The law is approximately valid for real gases at sufficiently low pressures and high temperatures.

B. 12g of carbon we know it is the total weight of the carbon as gram atomic mass but the 12u carbon is the relative mass is the overall weight of carbon expressed in the form of gram atomic mass, whereas, 12u of carbon is weight of carbon expressed as relative mass where we know that the u given with 12 is the atomic weight of 1u

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