Concept explainers
(a)
Interpretation:
The empirical formula and empirical formula mass for
Concept introduction:
An empirical formula gives the simplest whole number ratio of atoms of each element present in a compound.
Following are the steps to calculate the empirical formula mass of a compound.
Step 1: Determine the
Step 2: Divide the atom numbers of each element by a common factor to obtain the lowest whole number values. Write the lowest whole number value as the subscript of the element’s symbol to obtain the empirical formula for the compound.
Step 3: Add the molar mass of each element multiplied by its number of atoms present in the empirical formula to obtain the empirical formula mass for the compound.
(b)
Interpretation:
The empirical formula and empirical formula mass for
Concept introduction:
An empirical formula gives the simplest whole number ratio of atoms of each element present in a compound.
Following are the steps to calculate the empirical formula mass of a compound.
Step 1: Determine the number of atoms of each element from the given formula.
Step 2: Divide the atom numbers of each element by a common factor to obtain the lowest whole number values. Write the lowest whole number value as the subscript of the element’s symbol to obtain the empirical formula for the compound.
Step 3: Add the molar mass of each element multiplied by its number of atoms present in the empirical formula to obtain the empirical formula mass for the compound
(c)
Interpretation:
The empirical formula and empirical formula mass for
Concept introduction:
An empirical formula gives the simplest whole number ratio of atoms of each element present in a compound.
Following are the steps to calculate the empirical formula mass of a compound.
Step 1: Determine the number of atoms of each element from the given formula.
Step 2: Divide the atom numbers of each element by a common factor to obtain the lowest whole number values. Write the lowest whole number value as the subscript of the element’s symbol to obtain the empirical formula for the compound.
Step 3: Add the molar mass of each element multiplied by its number of atoms present in the empirical formula to obtain the empirical formula mass for the compound
(d)
Interpretation:
The empirical formula and empirical formula mass for
Concept introduction:
An empirical formula gives the simplest whole number ratio of atoms of each element present in a compound.
Following are the steps to calculate the empirical formula mass of a compound.
Step 1: Determine the number of atoms of each element from the given formula.
Step 2: Divide the atom numbers of each element by a common factor to obtain the lowest whole number values. Write the lowest whole number value as the subscript of the element’s symbol to obtain the empirical formula for the compound.
Step 3: Add the molar mass of each element multiplied by its number of atoms present in the empirical formula to obtain the empirical formula mass for the compound
(e)
Interpretation:
The empirical formula and empirical formula mass for
Concept introduction:
An empirical formula gives the simplest whole number ratio of atoms of each element present in a compound.
Following are the steps to calculate the empirical formula mass of a compound.
Step 1: Determine the number of atoms of each element from the given formula.
Step 2: Divide the atom numbers of each element by a common factor to obtain the lowest whole number values. Write the lowest whole number value as the subscript of the element’s symbol to obtain the empirical formula for the compound.
Step 3: Add the molar mass of each element multiplied by its number of atoms present in the empirical formula to obtain the empirical formula mass for the compound
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