The Henry's law constant for H2 (g) in water is 5.34X10^7 torr. Calculate the mole fraction of this gas in water at 25°C if its partial pressure over the
solution is 755 torr.

What does the process of natural selection involve

0.09 moles of sodium sulfate in 12 ml of solution

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?