Concept explainers
Interpretation:
The molecular formula of the compound should be determined along with its molar mass.
Concept introduction:
The number of moles of a compound is defined as the ratio of the given mass of the compound to the molar or molecular mass of the compound.
The mathematical expression is given by:
Number of moles =
The one mole of any substance is equal to the
Answer to Problem 130A
The molecular formula of the compound =
The molar mass of
Explanation of Solution
Given graph:
According to the given graph, one atom of calcium, four atoms of carbon, six atoms of hydrogen and four atoms of oxygen are present. Thus, the molecular formula of the compound is
Molar mass of calcium = 40.078 g/mole
Molar mass of carbon = 12.0107 g/mole
Molar mass of hydrogen = 1.00784 g/mole
Molar mass of oxygen = 15.999 g/mole
Molar mass of
=
=
Chapter 10 Solutions
Chemistry: Matter and Change
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