Calculate the number of moles in a 2.98 g sample of aluminum. A) 0.0124 moles B) 0.110 moles C) 80.4 moles D) 1.79 × 10²⁴ moles E) 1.62 × 10²⁵ moles

Name: Calculate the number of moles in a 2.98 g sample of aluminum. A) 0.0124 moles B) 0.110 moles C) 80.4 moles D) 1.79 × 10 24 moles E) 1.62 × 10 25 moles
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Quizplus · Accepted Answer

The molar mass of aluminum is 26.98 g/mol. Therefore, dividing the given mass by the molar mass gives the number of moles: 2.98 g / 26.98 g/mol = 0.110 moles.

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