# Questions for Investigation 5.8.1a. Using the 369.5 ppm mentioned above calculate the total mass of CO2 in the atmosphere today.(Show your work)1b. Using the 369.5 ppm and 288 ppm numbers, calculate how much the mass of atmospheric CO2 has increased from 1850 to today. (Show your work)1c. Calculate the difference between the number you got in question 1band the total amount ofCO2 injected into the atmosphere by fossil-fuel burning since 1850 (mentioned on first page)? (Show your work)1d. How can you account for the difference you calculated in question 1c?2. Based on your answer to question 1d, what effects might this CO2 have on the chemistry of the ocean?

Questions for Investigation 5.8.1a.Using the 369.5 ppm mentioned above calculate the total mass of CO2 in the atmospheretoday.(Show your work)1b.Using the 369.5 ppm and 288 ppm numbers, calculate how much the mass of atmosphericCO2 has increased from 1850 to today.(Show your work)1c.Calculate the difference between the number you got in question 1band the total amount ofCO2 injected into the atmosphere by fossil-fuel burning since 1850 (mentioned on first page)?(Show your work)1d.How can you account for the difference you calculated in question 1c?2.Based on your answer to question 1d, what effects might this CO2 have on the chemistry ofthe ocean?