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How many moles of CaCo3 are there in 2.5g of it
Accepted Answer
Here's the number of moles of CaCO3 in 2.5g of it:
Number of moles of CaCO₃ (2.5 g)
* Begin by converting the mass of CaCO₃ from grams to milligrams:
2.5 g CaCO₃ × 1000 mg/g = 2500 mg CaCO₃
* Then, divide the mass in milligrams by the molar mass of CaCO₃ (100.09 g/mol):
2500 mg CaCO₃ / 100.09 g/mol = 0.025 moles CaCO₃
Therefore, 2.5g of CaCO₃ contains 0.025 moles of CaCO₃.
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