Question

how many helium atoms are present in 2 helium​

Answer 1

Answer:

43×1028 helium atoms are present in 494kg of helium. Avogadro's number is used in chemistry to deal with large numbers. It is the basis of the mole unit of measurement. It is a simple way of conversion between mole, mass and number of molecules

Answer 2

Answer:

43×1028 helium atoms are present in 494 kg of helium. In the Avogadro's number is used in chemistry to deal with large numbers. It is the basis of the mole unit of measurement. It is a simple way of conversation between mole, mass and number of molecules. .....

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