A 305-G Sample of Ca Contains How Many Calcium Atoms

question 78

Multiple Choice

A 30.5-g sample of Ca contains how many calcium atoms?

• A) 4.58 *10²³ atoms
• B) 61.0 atoms
• C) 7.61 * 10^-1 atoms
• D) 1.84* 10²⁵ atoms
• E) 30.5 atoms

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