Review Questions

1 . If  one F   is  equivalent  to  96,487  C/mol   e−, what    is  the charge  on  an  individual  electron?

(A) 5.76    ×   10^28 C/e−

(B) 6.022   ×   10^23 C/e−

(C) 1.6 ×   10^19 C/e−

(D) 1.6 ×   10−19 C/e−

2 . How many    F   are required    for the reduction   of  1   mole    of  Ni2+    to  Ni  (s)?

(A) 1   F

(B) 2   F

(C) 96,487  F

(D) 6.022   ×   10^23 F

3 . The gold-plating    process involves    the following   reaction:

Au3+ (aq)   +   3e− →   Au  (s)

If  0.600   g   of  Au  is  plated  onto    a   metal,  how many    coulombs    are used?

(A) 299 C

(B) 868 C

(C) 2,990   C

(D) 8,680   C