Answer:
78.01 g/mol
Explanation:
To find the molar mass of Al(OH)₃, we have to look at the mass of each individual element on the periodic table.
Al - 26.98
O - 3(16.00) = 48.00
H - 3(1.01) = 3.03
Now add it all together.
26.98 + 48.00 + 3.03 = 78.01 or 78 g/mol
Hope that helps.