(a)
Interpretation:
The new molarity after the addition of water is to be calculated.
Concept Introduction:
The
The number of moles is calculated by the formula,
The molarity is calculated by the formula,
Answer to Problem 56QAP
The new molarity that results when
Explanation of Solution
The initial volume and molarity of
The conversion of units of
The number of moles of a solute is calculated by the formula,
Substitute the values of initial volume and molarity of
It is given that
The conversion of units of
Thus, the total volume is calculated by the formula,
Substitute the values of initial volume and volume of water added in the equation (2).
The new molarity of the solution is calculated by the formula,
Substitute the values of number of moles of solute and final volume in the equation (3).
Therefore, the new molarity that results when
(b)
Interpretation:
The new molarity after the addition of water is to be calculated.
Concept Introduction:
The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.
The number of moles is calculated by the formula,
The molarity is calculated by the formula,
Answer to Problem 56QAP
The new molarity that results when
Explanation of Solution
The initial volume and molarity of
The conversion of units of
The number of moles of a solute is calculated by the formula,
Substitute the values of initial volume and molarity of
It is given that
The conversion of units of
Thus, the total volume is calculated by the formula,
Substitute the values of initial volume and volume of water added in the equation (2).
The new molarity of the solution is calculated by the formula,
Substitute the values of number of moles of solute and final volume in the equation (3).
Therefore, the new molarity that results when
(c)
Interpretation:
The new molarity after the addition of water is to be calculated.
Concept Introduction:
The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.
The number of moles is calculated by the formula,
The molarity is calculated by the formula,
Answer to Problem 56QAP
The new molarity that results when
Explanation of Solution
The initial volume and molarity of
The number of moles of a solute is calculated by the formula,
Substitute the values of initial volume and molarity of
It is given that
The conversion of units of
Thus, the total volume is calculated by the formula,
Substitute the values of initial volume and volume of water added in the equation (2).
The new molarity of the solution is calculated by the formula,
Substitute the values of number of moles of solute and final volume in the equation (3).
Therefore, the new molarity that results when
(d)
Interpretation:
The new molarity after the addition of water is to be calculated.
Concept Introduction:
The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.
The number of moles is calculated by the formula,
The molarity is calculated by the formula,
Answer to Problem 56QAP
The new molarity that results when
Explanation of Solution
The initial volume and molarity of
The conversion of units of
The number of moles of a solute is calculated by the formula,
Substitute the values of initial volume and molarity of
It is given that
The conversion of units of
Thus, the total volume is calculated by the formula,
Substitute the values of initial volume and volume of water added in the equation (2).
The new molarity of the solution is calculated by the formula,
Substitute the values of number of moles of solute and final volume in the equation (3).
Therefore, the new molarity that results when
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Chapter 15 Solutions
Introductory Chemistry: A Foundation
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