Chemistry, 23.08.2019 06:50 lizdeleon248
When droplets of water in the atmosphere act like prisms the colord in sunlight undergo
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Chemistry, 22.06.2019 21:40
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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Chemistry, 23.06.2019 09:00
Chortling is used to clean water. another possible atom that would also work is a. sodium b. sulfur c. bromine
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When droplets of water in the atmosphere act like prisms the colord in sunlight undergo...
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