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Helium has a density of 1.79 x 10-4 g/mL at standard temperature and pressure. A alloon has a volume of 6.3 liters. Calculate the mass of helium that it would take to fill the balloon.
A. 1.1 g
B. 35,000 g
C. 2.8 x 10 -5 g
D. 1.1 x 10 -3 g
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answer of this question is 1.1g
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