Chemistry skill
Solve problems relating to empirical and molecular formulas
With this skill you will learn
- Calculate the percent composition of a compound
- Determine the empirical and molecular formulas of a compound from its percent composition
- Determine the empirical formula from combustion analysis
- Determine the molecular formula of a hydrocarbon from mass spectrometry analysis
Solve problems relating to empirical and molecular formulas Questions
Questions that need this skill to solve them
of compound 
, contains 
, 
, and 
, is combusted to produce 
of 
. What is the empirical formula?
, 
sample is combusted to form 
of 
and 
of 
. What are the empirical and molecular formulas?
contains 
, 
, and 
. What is the molecular formula of a chemical compound 
showed three peaks with highest 
are 
, 
, and 
, with intensity 
, 
, and 
, respectively. What is the molecular formula of 
of sample is combusted to form 
of 
of 
of a compound containing 
and 
were produced. What is the chemical formula of the compound? 
of a compound containing 
of carbon dioxide and 
of water vapor were produced. What is the chemical formula of the compound? 
is combusted. After the reaction, 
of this hydrocarbon yielded 
of 
and 
of 
. Determine the molecular formula of the compound. 
is combusted. After the reaction, 
of this hydrocarbon yielded 
of 
of 
. If the molar mass of the compound is 
, what the compound's molecular formula?
, 
, and 
is subjected to combustion analysis. After the reaction, 
of this compound yielded 
of carbon dioxide and 
of water vapor. What is the empirical formula of the compound?
was subjected to combustion analysis. After the analysis, 
of this compound yielded 
of carbon dioxide and 
of water vapor. Determine the empirical formula of this compound.
is subjected to combustion analysis. After the reaction, 
of this compound yielded 
of carbon dioxide and 
of water vapor. What is the empirical formula of the compound?Learn this skill
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Develop a comprehensive understanding of fundamental chemistry concepts and applications in a classroom of students motivating each other.
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