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###### How many molecules 3 30.8 moles 8 of NH;? 8molecules

How many molecules 3 30.8 moles 8 of NH;? 8 molecules

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stalled 15 m escalator in 90 When standing on the sare escalator; 13. A person walks up How much time would it take that person - now moving the person is carried up in 60 escalator? Does the answer depend on the length of the escalator? (4) walk up the moving...

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