Question

Calculate the formula unit mass of Al2(so4) 3

Answer 1

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Here is ur answer :

Formula unit mass :

formula unit mass is the sum of atomic masses of all atoms present in a formula unit of a compound.

Atomic mass of :

Aluminium - 27 u

Sulphur - 32 u

Oxygen - 16 u

Now, came to question.

Formula unit mass of :

Al2( SO4 ) 3

➡️27 × 2 + ( 32 + 16 × 4) × 3

➡️54 + ( 32 + 64) × 3

➡️54 + 96 × 3

➡️54 + 288

➡️342 u

HOPE IT HELPS YOU..

Answer 2

Answer:

342u

Explanation:

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