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What is the concentration of iron (II) ions in a water sample, measured in mg/L, if the sample has an absorbance reading of 0.345 at a wavelength of 477 nm using a colorimeter and following the methodology of the 1,10-phenanthroline method?
answered
6 days
ago
in
Analytical Chemistry
0
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44
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What is the role of attachment in cognitive development?
answered
Jan 17
in
Psychology
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36
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What is the difference between the psychodynamic and the behaviourist approach?
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Jan 15
in
Psychology
0
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23
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Worms grow to adult size without going through what stage?
answered
Jan 8
in
Science
0
votes
41
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What is the term for magma that erupts onto earth's surface?
answered
Jan 7
in
Science
0
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7
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Video and audio signals are broadcast on these?
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Jan 2
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Science
0
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37
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What organ absorbs about 90 percent of the water you ingest?
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Dec 28, 2024
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Science
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