The molecular weight of Copper(II) aluminate [CuAl₂O₄] is 181.5066768.

Copper(II) aluminate [CuAl₂O₄] (CAS Registry Number: 12042-92-1) is an inorganic compound of three elements: Copper (Cu), Aluminium (Al), and Oxygen (O). The molecular weight of Copper(II) aluminate [CuAl₂O₄] is 181.5066768 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

CALCULATION PROCEDURE: Copper(II) Aluminate [CuAl₂O₄] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a Copper aluminate molecule.
From the chemical formula, you will know different atoms and their number in a Copper(II) aluminate molecule. The chemical formula of Copper(II) aluminate is CuAl₂O₄. From the chemical formula, you can find that one molecule of Copper aluminate consists of one Copper (Cu) atom, two Aluminium (Al) atoms, and four Oxygen (O) atoms.

Step 2: Find out the atomic weights of each atom (from the periodic table).

Atomic weight of Copper (Cu): 63.546 (Ref: Jlab-ele029)
Atomic weight of Aluminium (Al): 26.9815384 (Ref: ciaaw-aluminium)
Atomic weight of Oxygen (O): 15.9994 (Ref: Jlab-ele008)

Step 3: Calculate the molecular weight of Copper(II) aluminate by adding the total weight of all atoms.

Number of Copper (Cu) atoms in Copper(II) aluminate: 1
Atomic weight of Copper: 63.546
Total weight of Copper atoms in Copper(II) aluminate: 63.546 x 1 = 63.546

Number of Aluminium atoms in Copper(II) aluminate: 2
Atomic weight of Aluminium: 26.9815384
Total weight of Aluminium atoms in Copper(II) aluminate: 26.9815384 x 2 = 53.9630768

Number of Oxygen (O) atoms in Copper(II) aluminate: 4
Atomic weight of Oxygen: 15.9994
Total weight of Oxygen atoms in Copper(II) aluminate: 15.9994 x 4 = 63.9976

Step 4: Calculate the molecular weight of Copper(II) aluminate by adding up the total weight of all atoms.

Molecular weight of Copper(II) aluminate: 63.546 (Copper) + 53.9630768 (Aluminium) + 63.9976 (Oxygen) = 181.5066768

So the molecular weight of Copper(II) aluminate is 181.5066768.

Copper(II) Aluminate [CuAl₂O₄] Molecular Weight Calculation

REFERENCES:

• Ciaaw-aluminium: https://www.ciaaw.org/aluminium.htm
  
• Jlab-ele008: https://education.jlab.org/itselemental/ele008.html
• Jlab-ele029: https://education.jlab.org/itselemental/ele029.html

FURTHER READING

• Copper aluminate from PubChem
• Copper aluminate from Materion

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