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(a)
Interpretation: To determine the molecular formula from the empirical formula.
Concept Introduction: Empirical formula would be a term used to describe a chemical formula that displays the most basic ratio of the components in a compound instead of the overall number of atoms in the molecule.
(a)
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Answer to Problem 79A
The molecular formula will be
Explanation of Solution
The given empirical formula is
The molar mass of the compound is 90 g/mol
Molar mass of the empirical formula is 30 g/mol.
Molecular formula can be determined by using the formula:
The relation between molar mass and empirical formula can be written as:
Therefore, the molecular formula will be
(b)
Interpretation: To determine the molecular formula from the empirical formula.
Concept Introduction: Empirical formula would be a term used to describe a chemical formula that displays the most basic ratio of the components in a compound instead of the overall number of atoms in the molecule.
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 79A
The molecular formula will be
Explanation of Solution
The given empirical formula is
The molar mass of the compound is 472.2 g/mol
Molar mass of the empirical formula is 272 g/mol.
Molecular formula can be determined by using the formula:
The relation between molar mass and empirical formula can be written as:
Therefore, the molecular formula will be
Chapter 10 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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