
Interpretation:
The mass of nickel
Concept introduction:
The molarity of a solution is defined as the number of mole of solute dissolved in one liter of the solution. The formula for molarity is given by the expression as shown below.
The relation between number of moles and mass of a substance is given by the expression as shown below.

Answer to Problem 147E
The mass of nickel
Explanation of Solution
The molarity potassium hydroxide solution is
The volume of potassium hydroxide solution is
The conversion of volume in
The molarity nickel
The volume of nickel
The conversion of volume in
The molar mass of nickel
The molarity of a solution is given by the expression as shown below.
Where,
•
•
Rearrange the above equation for the value of
Substitute the values of molarity and volume of potassium hydroxide solution in above expression.
The number of moles of potassium hydroxide present in solution is
Substitute the values of molarity and volume of nickel
The number of moles of nickel
The reaction between potassium hydroxide and nickel
Two moles of potassium hydroxide reacts with one mole of nickel
Two moles of potassium hydroxide produced one mole of nickel
Where,
•
•
Substitute the value of
The relation between number of moles and mass of a substance is given by the expression as shown below.
Where,
•
•
Substitute the value of number of moles and molar mass of nickel
Therefore, the mass of nickel
The mass of nickel
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Chapter 16 Solutions
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