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OpenStudy (anonymous):
The density of gold is approximately .1785 g/L. What is the mass of a sample of helium that occupies 50.0 L of space? Round your answer to the correct number of significant figures. 1.00 g 9.00 g 50.0 g 280. g some on help me plz
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OpenStudy (anonymous):
@midhun.madhu1987
OpenStudy (midhun.madhu1987):
no idea..
OpenStudy (anonymous):
tanks tho
OpenStudy (anonymous):
Helium density is 0.169 kg/m^3... same as 0.169 g/L mass = density x volume mass = 0.169 x 50 mass = 8.45 g... the nearest is 9.0 g
OpenStudy (anonymous):
tanks for the help @Orion1213
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