PRACTICEPACKET:((Unit(6Moles(&(Stoichiometry((3(www.mrpalermo.com(Calculate*the*gram*formula*mass*(molar*mass)*and*don’t*forget*the*units!!! 1.

What is the molar concentration of oxygen in the lake at 25 °C? The value of Henry’s Law constant for O 2 4dissolved in water at 298 K is 4.34*10 atm. Assume the density of the lake is 1 g/ml. STEP-BY-STEP QUESTIONS 1. What equation did we learn in class that has to do with the material in this problem? Henry’s Law!