How many moles of atoms of each element in one mole (NH4)2CO3

Chemists generally use the mole as the unit for the number of atoms or molecules of a material. One mole (abbreviated mol) is equal to 6.022×1023 molecular entities (Avogadro's number), and each element has a different molar mass depending on the weight of 6.022×1023 of its atoms (1 mole).\

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Explanation:

i do not get it   at all

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter