I believe it to be g/mol of Calcium carbonate
because to finde mass...u must have grams(g) as units....
it is the only one that have g as units
as for the first answer the avogadros number gives u the number of atoms in one mole of calcium carbonate....
the second one is based on ... At s.t.p one mole of gas occupies 22.4 dm³⇒to find volume
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Nitrogen (around 78%), Oxygen (around 21%), and Argon (around 1%).
Hope this helps :)
Yes..? I don’t understand what you’re trying to ask mate.
