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A chemistry student wants to analyze a sample of wastewater from a local factory. They want to know the concentration of the pollutants from the wastewater before releasing it into the environment. The sample is collected in a 500 mL container. After performing the required tests, the student determines that the total dissolved solids (TDS) in the sample are 750 mg/L, and the concentration of NaCl in the sample is 150 mg/L. Calculate the mass of TDS and NaCl in the sample.
answered
Jan 22
in
Analytical Chemistry
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48
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How does the mere exposure effect influence preferences?
answered
Jan 20
in
Psychology
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28
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Where did the concept of 'existential angst' originate?
answered
Jan 20
in
Psychology
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24
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Compare the different types of learning theories in psychology.
answered
Jan 20
in
Psychology
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24
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According to Bronfenbrenner, what is the microsystem in the context of child development?
answered
Jan 15
in
Psychology
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8
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Compare and contrast the independent and dependent variables in experimental research.
answered
Jan 10
in
Psychology
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55
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Where in the lungs does gas exchange between the air and blood takes place?
answered
Jan 8
in
Science
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24
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What is defined in physics as the amount of force pushing against a given area?
answered
Jan 6
in
Science
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21
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What are two basic types of pollutants in the air?
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Jan 6
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Science
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32
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Eukaryotic cell division involves mitosis and what?
answered
Dec 30, 2024
in
Science
0
votes
24
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Diphenylamine acts as a stabilizer for certain types of what?
answered
Dec 30, 2024
in
Science
0
votes
22
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Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. the alveoli act like what?
answered
Dec 30, 2024
in
Science
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19
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Acetyl-coa is formed from the breakdown of carbohydrates, lipids, and what else?
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Dec 28, 2024
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Science
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18
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Is the progeny produced by asexual reproduction stronger or weaker than seedlings produced by sexual reproduction?
answered
Dec 27, 2024
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Science
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