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July 7, 2015

Homework Help: Chemistry

Posted by Melanie on Monday, April 15, 2013 at 12:06am.

only one of each of the following pairs of reactants undergoes a reaction. Complete and balance the equation for the reaction that occurs.

NaCl (aq) + BaCl2 (aq) -->
Na2SO4 (aq) + BaCl2 (aq) -->

NO3^- (aq) + OH^- (aq)+ Al (s) -->
CO3^2- (aq) + OH^- (aq) +Al (s) -->

K^+ (aq) + Cl^- (aq) -->
Ag^+ (aq) + Cl^- (aq) -->

can you also explain WHY the one pair undergoes a reaction? Thanks so much!!

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