Which is the purest type of water
A)deionised water
B)distilled water
C)tap water...
Chemistry, 16.12.2021 19:20 organdonor626
Which is the purest type of water
A)deionised water
B)distilled water
C)tap water
Answers: 3
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
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Scientist think that animals with remarkably similar embryo development probably shared a common ancestor
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If a 20.0ml test tube measures 15.0cm, what is the length in meters?
Answers: 1
Chemistry, 23.06.2019 11:50
What is the oxidation half-reaction for this unbalanced redox equation? cr2o72β + fe2+ β cr3+ + fe3+ cr3+ β cr2o72β cr2o72β β cr3+ fe3+ β fe2+ fe2+ β fe3+?
Answers: 2
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