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The concentration, in parts per

If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what is the concentration in terms of the following?a. molarity
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2. asked by krystal
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The concentration, in parts per million, of a type of antibiotic in a human's bloodstream after h hours can be modeled by the
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2. asked by Lyris
3. 81 views
The concentration, in parts per million, of a type of antibiotic in a human's bloodstream after h hours can be modeled by the
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2. 50 views
The concentration, in parts per million, of a type of antibiotic in a human's bloodstream after h hours can be modeled by the
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2. asked by Lyris
3. 90 views
If a strong acid or base is dissolved in water, will all of its parts have the concentration?For example in Ca(OH)2 = Ca + 2OH
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2. asked by Den
3. 543 views
If 0.60 mg of KCl is present in 3.0 L of aqueous solution, what is the concentration in terms of molarity, weight/volume
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2. asked by Norma
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A particular air sample at 1 atm pressure has a density of approximately 1.3 g/liter and contains SO2 at a concentration of 25
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2. asked by Mensah
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The concentration of carbon dioxide in Earth’s atmosphere is currently at nearly 412 parts per million and rising. This
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2. 130 views
The concentration of carbon dioxide in Earth’s atmosphere is currently at nearly 412 parts per million and rising. This
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2. 210 views
A 250.0 - ml aqueous solution contains 45.1 µg of a pesticide . Express the pesticide's concentration in weight percent , parts
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2. asked by chemistry
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