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L 4.1.4 Quiz: Using the Mole
Question 9 of 10
Which of the following best describes an empirical formula?
A. A chemical formula that uses the numbers of atoms of each
element as they actually occur in a molecule
B. A chemical formula that shows the relative number of each type of
atom in a molecule, using the smallest possible ratio
C. A chemical formula that lists the percent composition of each
element
D. A chemical formula that identifies the oxidation state of each
element

Respuesta :

quasarJose

Answer:

B. A chemical formula that shows the relative number of each type of

atom in a molecule, using the smallest possible ratio

Explanation:

The empirical formula of a compound shows the relative number of each type of atom in a molecule and it uses the smallest possible ratio.

  • It expresses the composition of the compound in the simplest whole number ratio of the atoms of the different elements that makes up the compound.
  • To determine empirical formula of a compound , two pieces of information are needed;
  • A. mass of each element in the compound
  • B. Relative atomic mass of the constituent elements.

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