Chem & Physics Quiz
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SCIENTIFIC INQUIRY AND REASONING SKILLS
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A student measures the electrical resistance of a saline-filled catheter (modeled as a cylindrical conductor) at different NaCl concentrations while keeping catheter geometry constant.
[NaCl] (M) vs Resistance (kΩ):
- 0.05 → 9.8
- 0.10 → 5.1
- 0.20 → 2.7
- 0.30 → 1.9
- 0.40 → 1.5
Which trend is most consistent with the data presented?
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