* Identify the elements: Aluminum (Al), Carbon (C), and Oxygen (O)
* Find the atomic masses from the periodic table:
* Al: 26.98 g/mol
* C: 12.01 g/mol
* O: 16.00 g/mol
* Multiply each atomic mass by its subscript in the formula:
* Al: 26.98 g/mol * 2 = 53.96 g/mol
* C: 12.01 g/mol * 3 = 36.03 g/mol
* O: 16.00 g/mol * 9 = 144.00 g/mol
* Add the results together: 53.96 g/mol + 36.03 g/mol + 144.00 g/mol = 233.99 g/mol
Therefore, the molar mass of aluminum carbonate is approximately 234 g/mol.