How many gram atoms of each element are present in 10 g CaCO₃?

Solution

Molecular space mass space of space CaCO subscript 3 space equals space 40 plus 12 plus 48 space equals space 100 Moles space of space CaCO subscript 3 space in space 10 space straight g space of space CaCO subscript 3 space equals space 10 over 100 space equals space 0.1 space mole space 1 space mole space CaCO subscript 3 space contains space space equals space 1 space straight g space atom space Ca space 0.1 space mole space CaCO subscript 3 space contains space equals space 0.1 space straight g space atom space Ca 0.1 space mole space CaCO subscript 3 space contains space equals space 0.1 space straight g space atoms space straight C 1 space mole space CaCO subscript 3 space contains space space equals space 3 space straight g space atoms space of space straight O 0.1 space mole space CaCO subscript 3 space contains space equals space 0.3 space straight g space atoms space of space straight O.

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