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The formula for aluminum sulfate is Al2(SO4)3. Figure the molar mass of aluminum sulfate to the nearest gram?

To find the molar mass of aluminum sulfate (Al2(SO4)3), we need to calculate the sum of the atomic masses of all the atoms in the formula.

Step 1: Find the atomic masses:
- The atomic mass of aluminum (Al) is 26.98 grams per mole.
- The atomic mass of sulfur (S) is 32.07 grams per mole.
- The atomic mass of oxygen (O) is 16.00 grams per mole.

Step 2: Count the number of atoms in the formula:
- There are two aluminum atoms, so we multiply the atomic mass of aluminum (26.98 g/mol) by 2.
- There are four sulfur atoms, so we multiply the atomic mass of sulfur (32.07 g/mol) by 4.
- There are 12 oxygen atoms (3 from each sulfate group), so we multiply the atomic mass of oxygen (16.00 g/mol) by 12.

Step 3: Calculate the molar mass:
- Add the atomic masses for each atom in the formula:

[(2 atoms of Al) x (26.98 g/mol)] + [(4 atoms of S) x (32.07 g/mol)] + [(12 atoms of O) x (16.00 g/mol)]

= (53.96 g/mol) + (128.28 g/mol) + (192.00 g/mol)

= 374.24 g/mol

Therefore, the molar mass of aluminum sulfate to the nearest gram is approximately 374 grams per mole.

Look up the atomic mass of

Al, S, and O.

Now, multiply Al by 2
multiply S by 3
mulitpy O by 12

add them.