Chemistry, 18.11.2019 17:31, courtlyn8

characteristics indicating soda is an acid? orange juice? tomato juice?

characteristics indicating borax is a base? olive oil? oven cleaner?

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Chemistry, 22.06.2019 06:00, girly37

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Chemistry, 22.06.2019 17:30, katherineweightman

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Chemistry, 22.06.2019 21:40, k3rbycalilung

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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characteristics indicating soda is an acid? orange juice? tomato juice?

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