Hello,

I'm a bit confused with the following question

I got part a but I'm a lil stuck with part b (and c).

For a, I got the charge will equal 4+ because according to the electrochemical series Sn ^4+ (aq) + 2 e- (those double sided arrows) Sn ^2+ (aq) so I just took that 4+ charge. Is that alright?

For part b, I attempted using Q= I x t

and I got...

25 * 18000 = 450 000 coulombs.

Then I would have to use Q= n (e-) x F... right??

So would I rearrange to find n(e-) = Q/F,

but then if I did that, what would I do about the 4:2 ratio?? would I divide by 2 or times by 2 or ...?

I'm not quite sure how to do part c either

I just started this topic today so I'm still a bit unsure about it.

Thank you