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Chemistry, 22.06.2019 06:30
How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned
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Chemistry, 22.06.2019 12:30
What metric units would you use to measure the thickness of a key
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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 04:31
2ki + pb(no3)2 → 2kno3 + pbi2 determine how many moles of kno3 are created if 0.03 moles of ki are completely consumed.
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English, 28.10.2020 15:50
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Mathematics, 28.10.2020 15:50
Mathematics, 28.10.2020 15:50
English, 28.10.2020 15:50
Mathematics, 28.10.2020 15:50
Mathematics, 28.10.2020 15:50
History, 28.10.2020 15:50
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Biology, 28.10.2020 15:50