Multiple Choice
Which of the following is the correctly balanced equation for the redox reaction between MnO_4^- and Fe^{2+} in acidic aqueous solution?
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Which is an important step in the alternate method for balancing equations in redox reactions?
What is the coefficient of Fe3+ when the following reaction is balanced?
Bi3+ (aq) + Fe3+ (aq) + H2O (l) → BiO3- (aq) + Fe2+ (aq) + H+ (aq)
2 H3PO4 (aq) + 3 Ba(OH)2 (aq) → Ba3(PO4)2 (s) + 6 H2O (l)
2 H3PO4 (aq) + 3 Ba(OH)2 (aq) → Ba3(PO4)2 (s) + 6 H2O (l)