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Molar massCopper(II) sulfate (anhydrous)
Molar mass of CuSO4 (Copper(II) sulfate (anhydrous))
The molar mass of CuSO4 is 159.61 g/mol.
A white powder that turns blue when water is added, a test for water.
Step-by-step calculation
Add up the atomic masses of every atom in the formula:
1 × 63.546 + 1 × 32.065 + 4 × 15.999 = 159.61 g/mol
| Element | Atoms | Atomic mass (u) | Subtotal (g/mol) | % by mass |
|---|---|---|---|---|
| Copper (Cu) | 1 | 63.546 | 63.546 | 39.81% |
| Sulfur (S) | 1 | 32.065 | 32.065 | 20.09% |
| Oxygen (O) | 4 | 15.999 | 63.996 | 40.10% |
| Molar mass of CuSO4 | 159.61 g/mol | |||
Moles to grams for CuSO4
Multiply the number of moles by 159.61 g/mol to get the mass, and divide a mass by 159.61 g/mol to get the moles.
| Amount (mol) | Mass (g) | Mass (g) | Amount (mol) |
|---|---|---|---|
| 0.1 mol | 15.96 g | 1 g | 0.0063 mol |
| 0.25 mol | 39.90 g | 5 g | 0.0313 mol |
| 0.5 mol | 79.80 g | 10 g | 0.0627 mol |
| 1 mol | 159.61 g | 50 g | 0.3133 mol |
| 2 mol | 319.21 g | 100 g | 0.6265 mol |
| 5 mol | 798.03 g | 500 g | 3.1327 mol |
Experiments that use copper(ii) sulfate (anhydrous)
⚖️ Calculate any other formulaFrequently asked questions
What is the molar mass of CuSO4?
The molar mass of CuSO₄ (copper(ii) sulfate (anhydrous)) is 159.61 g/mol, so one mole of copper(ii) sulfate (anhydrous) weighs 159.61 grams.
How do you calculate the molar mass of CuSO4?
Multiply each element’s atomic mass by the number of atoms in the formula and add the results: 1 × 63.546 + 1 × 32.065 + 4 × 15.999 = 159.61 g/mol.
What percentage of CuSO4 is oxygen?
Oxygen makes up 40.10% of the mass of CuSO₄.
How many grams are in one mole of CuSO4?
One mole of CuSO₄ has a mass of 159.61 grams, and contains 6.022 × 10²³ formula units.