1. Write the following molecular equation, complete ionic equation, and net ioni

Question

1. Write the following molecular equation, complete ionic equation, and net ionic equation for the following reactions:

a) Potassium iodide and silver nitrate solutions are mixed, forming a precipitate of silver iodide.

b) Solutions of potassium carbonate and nitric acid are mixed.

c) Iron metal is dropped into a solution of hydrochloric acid, forming iron (III) chloride.

2. A drop of silver nitrate solution is placed onto the wellplate, and the drop turns a cloudy white. Is the silver nitrate reacting with the plastic of the wellplate? If not, what is the most likely explanation for this occurence?

Explanation / Answer

1).a).KI (aq) + AgNO3 (aq) = KNO3 (aq) + AgI (s)

K+ (aq) + I- (aq) + Ag+ (aq) + NO3- (aq) = K+ (aq) + NO3- (aq) + AgI (s)
Ag+ (aq) + I- (aq) = AgI (s)

b).potassium carbonate and nitric acid yield potassium nitrate and water and carbon dioxide

K2CO3 (aq) + 2HNO3 (aq) --> 2KNO3 (aq) + H2O (l) + CO2 (g)

you may think u get potassium nitrate and carbonic acid, but carbonic acid decomposes to water and carbon dioxide

c).

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