a. As temperature increases, the solubility of oxygen in water a. As temperature increases, the solubility of oxygen in water decreases..
b. Water in a particular stream varies from 8-13mg/liter. What temperature range does this reflect? Water in a particular stream varies from 8-13mg/liter. This reflects a temperature range of approximately 15-25°C (59-77°F), as colder water holds more oxygen and warmer water holds less.