778.5 mg/L = 778.5 ppm
| mg/L | ppm |
|---|---|
| 763.5 mg/L | 763.5 |
| 768.5 mg/L | 768.5 |
| 773.5 mg/L | 773.5 |
| 778.5 | 778.5 |
| 783.5 mg/L | 783.5 |
| 788.5 mg/L | 788.5 |
| 793.5 mg/L | 793.5 |
778.5 mg/L = 778.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm