kthomson9

I solved the above equation and got deltaG= -10052.4 J I know that hydrolysis of 1 mol ATP releases -30543.2 J Would it make sense to just divide the energy needed (deltaG) by the amount of energy that 1 mol ATP provides?? I get a fraction of a mol of ATP though...

How many moles of ATP are required to pump one mole of Ca2+ out of a cell when the cytoplasmic concentration is 0.2 uM, the extracellular concentration is 1.8 mM, and the membrane potential is -55 mV? I know I have to use deltaG= RTln([Ain]/[Aout]) + ZFdeltaPsi but how do I get the number of moles of ATP from deltaG??