
Concept explainers
(a)
Interpretation:
The balanced equation for
Concept introduction:
Balancing reaction:
Balanced reaction is a
Steps in balancing the information
- Step 1: Write the unbalanced equation
- Step 2: Find the coefficient to balance the equation.
- The coefficient should be reduced to the smallest whole number.
(a)

Explanation of Solution
The given statement is shown below,
Balance the equation,
Balance the equation, when balancing the equation, we should not alter the subscripts and we can change coefficients. There are two fluorine atoms in the left side and one fluorine atoms in the right side. Therefore, two molecule of sodium fluoride are added to right side of reaction. Now, the balanced equation is given below.
There are two chlorine atoms in the left side and one chlorine atoms in the right side. Therefore, two molecule of sodium chloride are added to right side of reaction. Now, the balanced equation is given below.
There are two sodium atoms in the left side and four sodium atoms in the right side. Therefore, two molecule of sodium oxalate are added to left side of reaction. Now, the balanced equation is given below.
There are eight oxygen atoms in the left side and two oxygen atoms in the right side. Therefore, four carbon dioxide molecules are added to right side of reaction. Now, the balanced equation is given below.
(b)
Interpretation:
Mass of sodium oxalate required to remove
Concept introduction:
Number of moles can be calculated by using following formula,
(b)

Explanation of Solution
The reaction is shown below,
Molar Mass
Given,
According to the balanced equation, 2 moles of
Grams (mass) of
Mass in grams of
(c)
Interpretation:
Mass in grams of
Concept introduction:
Refer to part (b)
(c)

Explanation of Solution
The reaction is shown below,
Molar Mass
Given,
According to the balanced equation, 1 moles of
Grams (mass) of
Mass in grams of
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Chapter 3 Solutions
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