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Nitrogen has a half life of 10 days. if you have a 75 gram sample how much is remaining after 20 days ?
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The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?
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What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
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Nitrogen has a half life of 10 days. if you have a 75 gram sample how much is remaining after 20 day...
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