7. Calculate the number of oxygen atoms in 50 g of CaCO3. (a) 6,033x 10236033 x 1023 atoms (b) 9.033x 10239033 x 1023 atoms
(c) 8.033× 10238033 ×1023 atoms (d) 3.033x 10233033 x1023 atoms
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Answer:
10238033 × 1023
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