To calculate the formula mass of Ag2CO3, you need to add up the atomic masses of all the atoms in the formula. Given that the atomic weights of Ag, C, and O are 23 g/mol, 12 g/mol, and 16 g/mol respectively, we can proceed with the calculation:
Ag2CO3 consists of 2 silver atoms (Ag), 1 carbon atom (C), and 3 oxygen atoms (O).
The formula mass is calculated as follows:
(2 × atomic weight of Ag) + (1 × atomic weight of C) + (3 × atomic weight of O)
= (2 × 23 g/mol) + (1 × 12 g/mol) + (3 × 16 g/mol)
= 46 g/mol + 12 g/mol + 48 g/mol
= 106 g/mol
Therefore, the formula mass of Ag2CO3 is 106 g/mol.