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dex0388 dex0388
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9 months ago

The mass density of normal air at a certain temperature is 1.29 kg/m3. If the average molecular mass of air is 29.0 u, how many air molecules are in spherical balloon of radius 15.0 cm?



1.1 × 1024



2.5 × 1025



9.8 × 1024



3.8 × 1023



3.3 × 1025



8.5 × 1023

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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deathnature9deathnature9
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9 months ago
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