consider a theoritical lamborghini's battery cell in which the following balanced reaction after testing occurs: 2A+4B+0.75H+=1.75D+1.25E n=5 moles electron. the concentration of A,B,D are 0.75 M,0.908M and 0.77M respectively. where the cell voltage and free energy values are negative 0.623V and 2.84x10 raise to 5 J respectively. what is the reaction's pH level at 25 degrees C.