What is the mass of 7.24 × 10²³ formula units of barium oxide?

Name: What is the mass of 7.24 × 10 23 formula units of barium oxide?
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Quizplus · Accepted Answer

The mass of a substance can be calculated using the formula: mass = (number of formula units / Avogadro's number) × molar mass. For barium oxide (BaO), the molar mass is approximately 153.3 g/mol. Using Avogadro's number (6.022 × 10^23), the mass is calculated as (7.24 × 10^23 / 6.022 × 10^23) × 153.3 g/mol ≈ 1.84 × 10^2 g.

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