When aqueous silver nitrate reacts with aqueous sodium chromate, soluble sodium nitrate forms and silver.?
a]write the balanced molecular equation for this reaction.
b]write the balanced complete ionic equation for this reaction.
c]what are the spectator ions in this reaction?
d]write the net ionic equation for this reaction.
Answer:
a) 2AgNO3(aq) + Na2CrO4(aq) --> Ag2CrO4(s) + 2NaNO3(aq)
b) 2Ag+(aq) + 2NO3-(aq) + 2Na+(aq) + CrO4-2(aq) --> Ag2CrO4(s) + 2Na+(aq) + 2NO3-(aq)
c) NO3-(aq) and Na+(aq) are the spectator ions
d) 2Ag+(aq) + CrO4-2(aq) --> Ag2CrO4(s)
chromate precipitates out of solution
2AgNO3(aq) + Na2CrO4(aq) + NaNO3 (aq) >> Ag2CrO4 (s) + 3 NaNO3 (aq)
2Ag+ (aq) + 3Na+ (aq) + 3 NO3- (aq) + CrO42- (aq) >> Ag2CrO4 (s) + 3Na+ (aq) + 3 NO3- (aq)
spectators ion Na+ and NO3-
2Ag+ + CrO42- >> Ag2CrO4(s)
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