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In which of these cases would it be most useful to use a mole to calculate the number of particles?


to calculate the number of atoms in two molecules of water

to calculate the number of electrons in five atoms of chlorine

to calculate the number of elements in one molecule of NaOH

to calculate the number of atoms in 5 grams of HCl

Respuesta :

MollyLM
I believe it would be the last one because you can use the molar mass of HCl to find the number of moles, then use Avogadro’s number to find the number of atoms
Hope this helps!

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