| Element | Percentage mass | % Correct |
|---|---|---|
| Oxygen | 65% | 99%
|
| Hydrogen | 10% | 96%
|
| Carbon | 18.5% | 95%
|
| Nitrogen | 3.2% | 89%
|
| Calcium | 1.5% | 81%
|
| Potassium | 0.4% | 75%
|
| Sodium | 0.2% | 72%
|
| Magnesium | 0.1% | 71%
|
| Phosphorus | 1% | 58%
|
| Sulfur | 0.3% | 52%
|
| Chlorine | 0.2% | 50%
|