Question

What is the molecular weight of \( \text{CaCO}_3 \)?

• A. \( 100 \, \text{g/mol} \)
• B. \( 150 \, \text{g/mol} \)
• C. \( 120 \, \text{g/mol} \)
• D. \( 200 \, \text{g/mol} \)

Hint:

To calculate the molecular weight of a compound, sum the atomic masses of all the atoms in its formula.