Interpretation:
The four steps used in solving stoichiometric problems needs to be explained.
Concept introduction:
Stoichiometry is defined as the relationship corresponding to quantities of various species that are present in a
Answer to Problem 18SSC
The four steps involved in solving stoichiometric problems are listed below.
- Balancing of the given chemical equation.
- Conversion of given mass to number of moles.
- Finding the mole ratio and then finding the moles of unknown species using the mole ratio of known species.
- At last moles of unknown species is converted to mass gain.
Explanation of Solution
The first step involved in solving a stoichiometric problem is the balancing of a chemical reaction. According to law of conservation of mass the creation and destruction of mass is not possible. Therefore, a chemical equation must be balanced. The next step involves the conversion of mass to moles. It is easy to solve an equation in terms of moles. Then third step involves the finding of moles of unknown using the mole ratio of known species. At last the moles of unknown species are again converted to mass.
The four steps involved in solving stoichiometric problems are listed below.
- Balancing of the given chemical equation.
- Conversion of given mass to number of moles.
- Finding the mole ratio and then finding the moles of unknown species using the mole ratio of known species.
- At last moles of unknown species is converted to mass gain.
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Glencoe Chemistry: Matter and Change, Student Edition
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