The highest number of helium atom is in... NEET 2024

Описание к видео The highest number of helium atom is in... NEET 2024

Neet 2024

The highest number of helium atom is in
1) 4u of helium
2) 4g of helium
3) 2.271098 litre of helium at STP
4)4mole of helium

correct option is 4

solution: To find the moles of helium in all the following options we need to use the formula for calculation of atoms and then to compare them.
1) no of atom= mass in amu/atomic mass
2)no. of atom =( mass/molar mass)×NA
3) no. of atoms =(volume/22.7)×Na
4) no. of atoms = moles× Na


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