posted by sabrina:help please with showing steps .
Use the Nernst equation and calculate Ecell for each of the following cells.
Enter your answer with 3 significant digits.
Enter scientific notation as 1.23E4.
(a) Mn(s) | Mn2+(0.11) M || Cr3+(0.24 M), Cr2+(0.11 M) | Pt(s)
(b) Mg(s) | Mg2+(0.070) M || [Al(OH)4]–(0.30 M), OH–(0.040 M) | Al(s)
See my response to your original post.