CONCENTRATION PRACTICE PROBLEMS One can of Coke holds 355 mL of soda and contains 34 mg of caffeine. What is the concentration of caffeine in Coke, in mg/mL? 1. 1. 355 10.4 b) What is the concentration of caffeine in Coke in mg/L? LO00 = 34 c) What is the concentration of caffeine in Coke in g/m3?

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**Concentration Practice Problems**

1. One can of Coke holds 355 mL of soda and contains 34 mg of caffeine.

   a) What is the concentration of caffeine in Coke, in mg/mL?
   
      \[
      \frac{34}{355} = 0.1 \text{ mg/mL}
      \]

   b) What is the concentration of caffeine in Coke in mg/L?
   
      \[
      \frac{34 \times 1000}{355} = 95.8 \text{ mg/L}
      \]

   c) What is the concentration of caffeine in Coke in g/m³?

   d) What is the concentration of caffeine in Coke in ppm?

   e) What is the concentration of caffeine in Coke in ppb?

   f) How many pounds (lb) of caffeine are in a liter (L) of Coke? Hint: You will need to look up an appropriate conversion factor.
Transcribed Image Text:**Concentration Practice Problems** 1. One can of Coke holds 355 mL of soda and contains 34 mg of caffeine. a) What is the concentration of caffeine in Coke, in mg/mL? \[ \frac{34}{355} = 0.1 \text{ mg/mL} \] b) What is the concentration of caffeine in Coke in mg/L? \[ \frac{34 \times 1000}{355} = 95.8 \text{ mg/L} \] c) What is the concentration of caffeine in Coke in g/m³? d) What is the concentration of caffeine in Coke in ppm? e) What is the concentration of caffeine in Coke in ppb? f) How many pounds (lb) of caffeine are in a liter (L) of Coke? Hint: You will need to look up an appropriate conversion factor.
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