Chemistry, asked by aarush65, 1 year ago

Calculate the number of atoms in 100 u of He. ?


zenstar: if the question asked had gm then we needed to multiply it by avagardos no.
zenstar: but there is no need of molar mass here
Manyagupta7275: 100u is already given mass and we have to find no. of atoms
zenstar: satanic please follow
zenstar: @manygupta it is atomic mass and is not in gm
zenstar: please read the details of the question and understand what the question is asking

Answers

Answered by Anonymous
2
Atomic mass of Helium = 4 u

mass of one Helium atom = 4 u

➡No. of atoms in 100 u of Helium= 100/4

= 25 He atoms

Manyagupta7275: wrong
Manyagupta7275: you haven't find no. of atoms
Manyagupta7275: read question carefully
zenstar: satanic. please. read comments of the question
zenstar: something. is. wrong with this guy
Answered by zenstar
1

Atomic mass of he = 4 u

Total mass given = 100 u

100 \div 4 = 25

Thus, 25 atoms of he


Manyagupta7275: wromg
Manyagupta7275: wrong
zenstar: how
zenstar: please explain
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