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Chemistry: Standard Free Energy Change, Atomic Mass, pH, Molality, Molarity and more

8 general chemistry questions involving: standard voltage/free energy exchange, atomic number/mass, pH, balancing equations, molality/molarity and more.

Example: When the eqation for the half reaction above is balanced, what is the ratio of the coefficients OH- : Cr02-
(a) 1 : 1
(b) 2 : 1
(c) 3 : 1
(d) 4 : 1
(e) 5 : 1

*(Please see attachment for complete equations and problems)

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