Question 3 options:
Which of the following refers to the concentration of a substance?
Question 3 options:
The minimum volume of solvent dissolved per liter of solution at a given pressure.
The grams of solute dissolved per 100 g of solvent.
The size of the particles that make up a substance.
The maximum amount of a solute that can be dissolved in a solvent at a given temperature.
Answers: 2
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One or more substances changing into one or more substances is an example of a
Answers: 1
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Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear
Answers: 1
Chemistry, 22.06.2019 13:00
Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?
Answers: 1
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
Which of the following refers to the concentration of a substance?
Question 3 options:
Question 3 options:
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