N order to determine the rate of photosynthesis, the oxygen gas emitted by an aquatic plant is collected over water at a temperature of 293k and a total pressure of 755.2mmhg. over a specific time period, a total of 1.02 l of gas is collected. what mass of oxygen (in grams) forms?
a. 12.2 g
b. 2.56g
c. 1.32g
d. 2.01g
e. 6.43g