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How many moles of sulfur are in 80 grams of sulfur?
A. 1.5 moles
B. 2.5 moles
C. 1 mole
D. 2 moles


Sagot :

Answer:

2.5 moles

Explanation:

Number of moles = MassMolar mass

= 80⋅g32.06⋅g⋅mol−1 = ??mol

Note that sulfur likely exists in its elemental state as S8. I am perfectly justified in treating sulfur as S. The number of sulfur atoms is the same in each case.