A thin sheet of iridium metal that is 2.70 cm by 5.93 cm has a mass of 16.1 g and a thickness of 0.444 mm.What is the density of iridium? A) 22.600 g/cm³ B) 2.270 g/cm³ C) 1.14 × 10² g/cm³ D) 0.044 g/cm³ E) 0.442 g/cm³

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Quizplus · Accepted Answer

To find the density of iridium, use the formula density = mass/volume. First, convert all measurements to cm (thickness = 0.444 mm = 0.0444 cm). The volume of the iridium sheet is 2.70 cm * 5.93 cm * 0.0444 cm = 0.712752 cm^3. The density is then 16.1 g / 0.712752 cm^3 = 22.600 g/cm^3.

A Thin Sheet of Iridium Metal That Is 2