How Many Oxygen Atoms Are in 75

question 92

Multiple Choice

How many oxygen atoms are in 75.0 g of SO₃?

• A)225 atoms
• B)0.937 atoms
• C)5.64 × 10²³ atoms
• D)1.69 × 10²⁴ atoms
• E)4.52 × 10²⁵ atoms

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Definitions:

Ca

Chemical symbol for Calcium, a reactive, soft metallic element that is a member of the alkaline earth metals.

Oxidation Number

A value that represents the number of electrons lost or gained by an atom in a compound compared to its elemental state.

C

Carbon, an element with the atomic symbol 'C', known for its ability to form a vast number of compounds, more than any other element.

Oxidation Number

A number assigned to an element in a chemical combination that represents the number of electrons lost or gained by an atom of that element in the compound.