4. pH of the blood is 7.4. The organism uses bicarbonate buffer to maintain the narrowly defined value. Calculate how much of NaHCO3 should be added to 1 L of solution at a concentration of
0.250 mol/L of H2CO3 (PKA = 6.35) to maintaining of blood pH.
[2.81 mol]
Someone know how to do this exercise?

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.