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The body system that transports molecules to and from all cells of the body
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Summarize possible ways in which phases of matter could combine to form a solution.
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What is a difference between a mixture of elements and a mixture of compounds
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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.
Answers: 2
Chemistry, 23.06.2019 00:00
What does an electron configuration for an atom relate to the atoms placement on the periodic table
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The body system that transports molecules to and from all cells of the body...
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