
Concept explainers
(a)
Interpretation:
The grams of NaCl required to make PbCl2 should pre predicted.
Concept Introduction:
The amount of the substance that contains the same number of particles or atoms or molecules is termed as mole.
(a)

Answer to Problem 3E
12.6 g of NaCl is required.
Explanation of Solution
The given reaction is represented as follows:
The amount of NaCl required is represented as follows:
Thus, 12.6 g of NaCl is required.
(b)
Interpretation:
The grams of NaCl required to make PbCl2 should pre predicted.
Concept Introduction:
The amount of the substance that contains the same number of particles or atoms or molecules is termed as mole.
(b)

Answer to Problem 3E
19.8 g of NaCl is required to react with 56 g of lead nitrate. And 47.02 g of PbCl2 is formed.
Explanation of Solution
The given reaction is represented as follows:
The amount of NaCl required is represented as follows:
Thus, 19.8 g of NaCl is required.
Now, the grams of PbCl2formed is represented as follows:
Thus, 47.02 g of PbCl2is formed.
Chapter U4 Solutions
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