Respuesta :

danielcen21

1) we find  out the atomic mass of these elements (Al, S, O)Atomic mass (Al)=27 amuAtomic mass (S)=32 amuAtomic mass (O)=16 amu2)Now, we calculate the molar mass of Al₂(SO₄)₃molar mass=2(27)+3[32+4(16)]=54+3(32+64)=54+3(96)=54+288=342 g/mol.answer: 342.17 g/mol.

Eduard22sly

The molar mass of aluminum sulphate (Al₂(SO₄)₃) obtained from the question given is 342.17 g/mol

What is the molar mass of a compound?

The molar mass a compound is simply defined as the sum of the molar masses of the individual elements found in the compound.

How to determine the molar mass of Al₂(SO₄)₃

  • Molar mass of Al = 27.085 g/mol
  • Molar mass of S = 32 g/mol
  • Molar mass of O = 16 g/mol
  • Molar mass of Al₂(SO₄)₃ =?

Molar mass of Al₂(SO₄)₃ = (27.085×2) + 3[32 + (4×16)]

Molar mass of Al₂(SO₄)₃ = 54.17 + 3[32 + 64]

Molar mass of Al₂(SO₄)₃ = 54.17 + 288

Molar mass of Al₂(SO₄)₃ = 342.17 g/mol

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