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Explain why the percent composition of certain compounds are not sufficient to determine the compounds molecular formulas?
Wiki User
∙ 12y ago
Because unlike the empirical formula, the molecular formula does not have to be the simplest ratio.
If by chance you are given the percent composition of the elements in a substance, you could calculate the empirical formula and then the empirical formula's mass. However, the molecular formula equation is molecular formula= (empirical formula)n, where n is the mass of the molecular formula divided by the mass of the empirical formula. You would, therefore, need to know the mass belonging to the molecular formula, which you are not given.
Wiki User
∙ 12y ago
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What are the two technologies used in the analysis of the composition of molecular compounds?
I dont know thats why im asking >_>
Molecular compounds that dissolve in water do not conduct electricity because no?
No mobile charged particles are present in sufficient concentration.
Are molecular compounds formed from semimetals?
Molecular compounds certainly can be formed from semimetals, but not all the compounds of semimetals are molecular.
How do you differentiate simple molecular compounds and giant molecular compounds?
simple molecular compounds have weak forces of atraction.
Why is it that only molecular compounds can have a molecular formula?
Because there are no compounds that aren't molecules/molecular. The question as posed is nonsense. Rephrase?
Can you determine the molecular formula of a substance from its percent composition?
Not completely. The empirical formula of a substance can be determined from its percent composition, but a determination of molecular weight is needed to decide which multiple of the empirical formula represents the molecular formula.
What are the two technologies used in the analysis of the composition of molecular compounds?
I dont know thats why im asking >_>
Molecular compounds that dissolve in water do not conduct electricity because no?
No mobile charged particles are present in sufficient concentration.
How do you differentiate simple molecular compounds and giant molecular compounds?
simple molecular compounds have weak forces of atraction.
Are molecular compounds formed from semimetals?
Molecular compounds certainly can be formed from semimetals, but not all the compounds of semimetals are molecular.
What determines the color of opaquetranslucent and transparent object?
Its molecular composition will determine which light wavelengths are absorbed and reflected.
What is the relationship between prefixes and molecular compounds?
the relationship between prefixes and molecular compounds is that, prefix are used to name molecular compounds.
How do molecular compounds bond?
When molecular compounds bond, they share electrons.
What kind of process alters molecular composition?
A chemical reaction alters molecular composition.
How do scientists show the chemical composition of molecules?
The most common and simplified method and convention of notating elemental composition and molar quantities of molecular compounds comes through their molecular formula. In water, its formula is H2O indicating it contains a single atom of oxygen and two of hydrogen.
Why is it that only molecular compounds can have a molecular formula?
Because there are no compounds that aren't molecules/molecular. The question as posed is nonsense. Rephrase?
How does melting point compare among molecular compounds and ionic compounds?
Molecular compounds tend to have lower melting points.
