How Many Oxygen Atoms Are Present in 8

question 55

Multiple Choice

How many oxygen atoms are present in 8.4×10 ^{- 3} grams of CuSO₄ · 5 H₂O?
Molar Mass(CuSO₄ · 5 H₂O) = 250.61 g/mol

• A) 2.0×10¹⁹ oxygen atoms
• B) 8.1×10¹⁹ oxygen atoms
• C) 1.8×10²⁰ oxygen atoms
• D) 1.4×10²³ oxygen atoms
• E) 1.3×10²⁴ oxygen atoms

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