Determine how much water did thomas add
Thomas poured 25 mL of 0.60 M HCl into a large bottle. He then added enough water so that the new (diluted) concentration was 0.10 M HCl. How much water did Thomas add?
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What is the volume of a sample of helium that has a mass of 6.36 × 10-3 g, and a density of 0.17847 g/L? Answer in units of mL
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