78. Calculate the osmolality of the following solution: 20mMKCl,5mMCa2,100mMNaHCO and 2mM glucose Show your work for a chance at partial credit. (4 pts) 79. Calculate the charge concentration (milliequivalents) of the following solution: 10mMSO42,100mM albumin, and 5mMFe. Show your work for a chance at partial credit. (4 pts) 80. Make a rough sketch of the heart below. Label all four chambers, all four valves, and the two arteries draining the ventricles. (4 pts) 81. Use arrows to indicate the direction of blood flow through the heart in you diagram above. (2 pts) 82. Explain how your diagram would be different in an infant suffering from transposition of the great arteries. DO NOT REDRAW YOUR DIAGAM, just explain in words. (4 pts)