(a)
Interpretation:
The formula of the yellow precipitate needs to be determined which is formed when aqueous solutions of sodium sulfide and cadmium nitrate were mixed in a beaker.
Concept Introduction:
A suspended solid particle that settles at the bottom of the solution when a
(a)
Answer to Problem 57A
The formula for yellow precipitate is
Explanation of Solution
A yellow precipitate is formed by mixing sodium sulfide and calcium nitrate since in the tube sodium sulfide and cadmium nitrate are mixed.
The balanced chemical equation is as:
Hence the formula for yellow precipitate is
(b)
Interpretation:
The spectator ions need to be identified when aqueous solutions of sodium sulfide and cadmium nitrate were mixed in a beaker.
Concept Introduction:
An ion that exists as a reactant and a product in a chemical equation is called a spectator ion.
(b)
Answer to Problem 57A
The spectator ions are
Explanation of Solution
The given reaction is as follows:
For the above reaction, the ionic equation can be written as follows:
Since,
(c)
Interpretation:
The balanced net ionic equation needs to be determined for the reaction when aqueous solutions of sodium sulfide and cadmium nitrate were mixed in a beaker.
Concept Introduction:
A net ionic equation is an ionic equation in which spectator ions are not written.
(c)
Answer to Problem 57A
The balanced net ionic equation is
Explanation of Solution
Chemical symbols and formulas are used for representing a chemical reaction where reactants are written on the left side and chemical products are written on the right side.
The chemical equation is balanced by making the number and types of atoms on the left and right sides of the equation as same.
The ionic equation is as follows:
Here,
Chapter 11 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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