During the action of a sodium-potassium pump, 50 atp molecules were spent. predict how many sodium ions are transported across the cell membrane.
a) 50
b) 100
c) 150
d) 200

 As we knw that ATP molecule allows 3 Na+ to move out of the cell and 2 K+ will definitely  enter. So as a result  50 ATP molecules allow 150 Sodium ions to move out and therefore allows 100 Potassium ions to move in
so i conclude option C is correct
hope it helps

Copper, silver, aluminum, cobalt, chromium, mercury