An 800-mg sample containing sulfate

  1. An analytical chemist determines that an estuarine water sample contains 1.5 g/L of sulfate ion. What is the concentration in
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    2. Laura asked by Laura
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  2. A 0.1818 g sample of sodium oxalate required 28.12 ml of a potassium permanganate solution to reach the endpoint (assume the
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    2. Anonymous asked by Anonymous
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  3. The sulfate in a 0.2345 g sample of a mixture containing only K2SO4 (fm = 174.26) and Na2SO4 (fm = 142.04) is to beanalyzed by
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    2. Esraa asked by Esraa
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  4. An enzyme sample contains 24 mg protein/mL. Of this sample, 20 microliters in a standard incubation volume of 0.1 mL catalyzed
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    2. stew asked by stew
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  5. Assuming the sample is pure sodium sulfate, how many mL of 5% BaCl2.2H20 solution would be required to precipitate the sulfate.
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    2. Mika asked by Mika
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  6. Sorry, I have been stuck on this question. I would appreciate if someone could help me out.Approx how many mL of 0.25M BaCl2
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    2. Mike asked by Mike
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  7. Describe how a pure dry sample of pure calcium sulfate can be prepared from sodium sulfate as one of the reagents
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    2. Agatha asked by Agatha
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  8. A 2.50 gram sample of bronze was dissolved in sulfuric acid. The copper in the sample reacted with sulfuric acid to form copper
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    2. Dave asked by Dave
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  9. When a (1.797x10^0) g sample of CuSO4 * 5H2O (Copper II Sulfate Pentahydrate) and NaCl was heated, a total sample of
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    2. Emma asked by Emma
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  10. A chemist added an excess of sodium sulfate to a solution of a soluble barium compound to precipitate all of the barium ion as
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    2. Anna asked by Anna
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