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kaylatunell123
13.11.2019 •
Chemistry
Which statement best relates an empirical formula with a molecular formula? . a.they are always different for the same compound.. b.subscripts of empirical formulas can be reduced.. c. molecular formulas can be determined from empirical formulas.. d.they both show the actual ratio of elements for a compound.
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Ответ:
empirical formula is the simplest ratio of whole numbers of components making up a compound
molecular formula is the actual composition of components making up a compound
to analyse each statement
A.They are always different for the same compound. -
the empirical formula in some instances can be the same as the molecular formula. therefore this statement is incorrect.
B. Subscripts of empirical formulas can be reduced
empirical formula gives the simplest ratios and the subscripts cannnot be further simplified therefore this is incorrect
C. Molecular formulas can be determined from empirical formulas
using the empirical formula, the molecular formula can be determined. therefore its correct.
D. They both show the actual ratio of elements for a compound
only the molecular formula gives the actual ratio of elements whereas the empirical formula gives the simplest ratio of elements. this statement is incorrect
the correct statement is C.
Ответ:
as if you have CH3 (empirical) if C = 2 then you can get C2H6 (molecular)
hope that helps
Ответ:
Explanation:
no hablo español pero tuve que traducir mi respuesta por tiuna fuerza eléctrica es una fuerza entre dos cargas