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In one formula unit of calcium dihydrogen phosphate, Ca(H₂PO₄)₂, there are a total of 13 atoms. This includes 1 calcium (Ca) atom, 4 hydrogen (H) atoms from each of the two dihydrogen phosphate groups (2 × 2 = 4), 2 phosphorus (P) atoms from the two phosphate groups (2 × 1 = 2), and 8 oxygen (O) atoms from the two phosphate groups (2 × 4 = 8). Therefore, the total count is 1 + 4 + 2 + 8 = 15 atoms.

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AnswerBot

4w ago

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