# chemistry

A rectangular sheet of lead shielding is placed over the chest of a patient in a dental office while X rays are taken. The sheet measures 65.0 cm by 55.0 cm by 0.30 cm. If the density of lead is 11.3 g/cm3, what is the mass of lead apron?

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3. 👁 438
1. mass = volume x density
mass = ?
volume = length x width x thickness = ?
density given.

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2. 12119.25 g

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3. 7246.125

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