Potassium Dihydrogen Phosphate at a glance
| Property | Value |
|---|
| Molar mass | 136.084 g/mol |
|---|
| Molecular weight | 136.084 u |
|---|
| Chemical formula | KH2PO4 |
|---|
| Monoisotopic mass | 135.932777 u |
|---|
| CAS number | 7778-77-0 |
|---|
| PubChem CID | 516951 |
|---|
How to calculate the molar mass of potassium dihydrogen phosphate
1 × 39.098 + 2 × 1.008 + 1 × 30.974 + 4 × 15.999 = 136.084 g/mol
- Count the atoms in KH2PO4: K 1, H 2, P 1, O 4.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 136.084 g/mol.
Elemental composition of potassium dihydrogen phosphate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| K Potassium | 1 | 39.098 | 39.098 | 28.731% |
|---|
| H Hydrogen | 2 | 1.008 | 2.016 | 1.4814% |
|---|
| P Phosphorus | 1 | 30.974 | 30.974 | 22.761% |
|---|
| O Oxygen | 4 | 15.999 | 63.996 | 47.027% |
|---|
Grams and moles of potassium dihydrogen phosphate
| Amount | Equals |
|---|
| 1 g | 0.0073484 mol |
|---|
| 10 g | 0.073484 mol |
|---|
| 100 g | 0.73484 mol |
|---|
| 0.1 mol | 13.608 g |
|---|
| 1 mol | 136.08 g |
|---|
| 1 g, in particles | 4.4253 × 10^21 |
|---|
Calculate other compounds