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Chemistry, 04.10.2020 18:01 wolfsaway

19. What is the approximate mass of one mole of helium (He) gas? A. 2 g
B. 4 g
C. 8 g
D. 22 g

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19. What is the approximate mass of one mole of helium (He) gas? A. 2 g
B. 4 g
C. 8 g

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