Imagine a flavorant whose odor threshold is 15 ppb in water. At which concentrations in water would a...
5 ppb
15 ppb
100 ppb
How are substances represented by chemical formulas and models?
15 ppb and 100 ppb. A person can likely detect the flavorant at concentrations equal to or greater than its odor threshold of 15 ppb, but not at 5 ppb.
Chemical formulas use element symbols and subscripts to show which elements a substance contains and their relative numbers of atoms. Models visually represent the atoms and how they are arranged or bonded.
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