# Copper(II) sulfate [CuSO4] Molecular Weight Calculation

The molecular weight of Copper(II) sulfate (CuSO4) is 159.6096. Copper(II) sulfate (CuSO4) is an inorganic compound of three elements: Copper, Sulfur, and Oxygen. The molecular weight of Copper(II) sulfate is 159.6096 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

# CALCULATION PROCEDURE: Copper(II) sulfate [CuSO4] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a Copper(II) sulfate molecule.
You will know different atoms and their number in a Copper(II) sulfate molecule from the chemical formula. The chemical formula of Copper(II) sulfate is CuSO4. From the chemical formula, you can find that one molecule of Copper(II) sulfate has one Copper (Cu) atom, one Sulfur (S) atom, 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
Sulfur (S): 32.066 (Ref: Jlab-ele016)
Atomic weight of Oxygen (O): 15.9994 (Ref: Jlab-ele008)

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

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

Number of Sulfur (S) atoms in Copper(II) sulfate: 1
Atomic weight of Sulfur: 32.066
Total weight of Sulfur atoms in Copper(II) sulfate: 32.066 x 1 = 32.066

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

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

Molecular weight of Copper(II) sulfate : 63.546 (Copper) + 32.066 (Sulfur) + 63.9976 (Oxygen) = 159.6096

So the molecular weight of Copper(II) sulfate is 159.6096.

Copper(II) sulfate [CuSO4] Molecular Weight Calculation

## REFERENCES:

• Jlab-ele029: https://education.jlab.org/itselemental/ele029.html
• Jlab-ele016: https://education.jlab.org/itselemental/ele016.html
• Jlab-ele008: https://education.jlab.org/itselemental/ele008.html 