Concept explainers
To determine:
Molecular formula, molar mass and number of moles in 10 g of given compounds.
Answer to Problem 7.71UTC
Compound 1:
Molecular formula Molar mass Number of moles in 10 g
Compound 2:
Molecular formula Molar mass Number of moles in 10 g
Explanation of Solution
Given:
a. Formula of a chemical species is given by
where A, B are the
Here, in first compound, o = 2, l = 2 and in second compound o = 6, l = 6. So, formulas are
Formula used:
b. Molar mass of a compound,
c. The number of moles, n
Calculation:
b. Using equation (1), Molar mass of
Molar mass of
Using equation (2),
Number of moles of
Number of moles of
Molecular formula of compound,1 =
Molecular formula of compound, 2 =
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