Chapter 1, Problem 52RGQ

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

Chapter
Section

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

# A 26-meter-tall statue of Buddha in Tibet is covered with 279 kg of gold. If the gold was applied toa thickness of 0.0015 mm, what surface area is covered (in square meters)? (Gold density = 19.3 g/cm3)

Interpretation Introduction

Interpretation: The surface area covered has to be given.

Concept Introduction:

Density: A measurement of mass per unit volume.

Density = Mass volume

Explanation

The surface area is calculated as,

â€‚Â ConversionÂ ofÂ units:_26Â mÂ Ã—100Â cm1mÂ =Â 2600Â cmÂ 279Â kgÂ Ã—1g1000kgÂ =Â 0.279Â g0.0015mmÃ—0.1cm1mmâ€‰Â =Â 0.00015Â cmKnown:VolumeÂ =MassDensityÂ Â Â Â Â Â Â Â Â Â Â Â =Â 0.279Â g19.3g/cm3â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰=Â â€‰0

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