Calculating CaNo3 formula units?

question bit unspecific. please provide numbers , more details. example, looking moles, molecules, or grams? that's 3 relationships avagadro's number. (6.022 x 10^23 of anything)

if mean 1 formula unit in 1 mole, multiply molar mass of formula answer.

edit: never mind. formula unit tends used show simplest ratio of atoms.

actually, wanted assured. when says formula unit divide avagadro's number come out of moles? formula units talking smaller mole?

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