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How much concentrated 1.6 M hydrochloric acid is needed to prepare 250 mL of a 4.0 M solution?
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Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!
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Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
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Aplanet similar to earth has four moons roughly the same distance away. the moon that will most affect tides on the planet is the one that has the greatest a) mass. b) volume. c) density. d) amount of water.
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How much concentrated 1.6 M hydrochloric acid is needed to prepare 250 mL of a 4.0 M solution?...
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