What is the mass in grams of 0.250 mol of the common antacid calcium carbonate? A)4.00 × 10 ² g B)25.0 g C)17.0 g D)4.00 × 10 ⁻² g E)2.50 × 10 ⁻³ g

Question

Quizplus · Accepted Answer

- The molar mass of calcium carbonate (CaCO3) is 100.09 g/mol.
- To convert moles to grams, we multiply the number of moles by the molar mass in grams per mole.
- Therefore, the mass of 0.250 mol of CaCO3 is:

0.250 mol x 100.09 g/mol = 25.0 g

The correct answer is B, 25.0 g.

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