35 SO_(3) Solve for the molar mass of the following compounds. Make sure and show your work and don't forget to put your unit.

To find the molar mass of a compound, you need to sum up the atomic masses of all the atoms present in the compound. Let's calculate the molar mass of \( \text{SO}_3 \) (sulfur trioxide).<br /><br />1. **Identify the elements and their quantities:**<br /> - Sulfur (\( \text{S} \)): 1 atom<br /> - Oxygen (\( \text{O} \)): 3 atoms<br /><br />2. **Find the atomic masses from the periodic table:**<br /> - Atomic mass of sulfur (\( \text{S} \)) = 32.07 g/mol<br /> - Atomic mass of oxygen (\( \text{O} \)) = 16.00 g/mol<br /><br />3. **Calculate the total mass for each element:**<br /> - Total mass of sulfur = 1 atom × 32.07 g/mol = 32.07 g/mol<br /> - Total mass of oxygen = 3 atoms × 16.00 g/mol = 48.00 g/mol<br /><br />4. **Sum the total masses to find the molar mass of \( \text{SO}_3 \):**<br /> \[<br /> \text{Molar mass of } \text{SO}_3 = 32.07 \, \text{g/mol} + 48.00 \, \text{g/mol} = 80.07 \, \text{g/mol}<br /> \]<br /><br />Therefore, the molar mass of \( \text{SO}_3 \) is 80.07 g/mol.