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You are mixing 20 ml of water and 70 ml of sulfuric acid. Which of them is the solvent?
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Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.
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Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse
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You are mixing 20 ml of water and 70 ml of sulfuric acid. Which of them is the solvent?...
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