Chem&Society

The atmosphere contains about 5.2 x1015 t of air. What mass in metric tons of carbon dioxide is in the atmosphere if the concentration of CO2 is 395 ppm?

Express each aqueous concentration in the unit indicated. 45 ppm NO3 -, as molarity of nitrate ion in [mol NO3 - /L].

For two questions below, first write and balance the equation for the chemical reaction. Please, also review the material in Chapter 8, if you will feel you might need it in order to answer the questions. Next, please answer the following questions: (a) W...