A student made a gas sensor using an anodized aluminum strip and a thymol blue solution. Upon exposure to an unknown vapor, the gas sensor turned blue. Using this information, the student deducted that the vapor must be from: HNO3 NH3 HCI NaCl

A student made a gas sensor using an anodized aluminum strip and a thymol blue solution. Upon exposure to an unknown vapor, the gas sensor turned blue. Using this information, the student deducted that the vapor must be from: HNO3 NH3 HCI NaCl

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter17: Equilibrium

Section: Chapter Questions

Problem 6CR: How is the pH scale defined? What range of pH values corresponds to acidic solutions? What range...

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Question

A student made a gas sensor using an anodized aluminum strip and a thymol blue
solution. Upon exposure to an unknown vapor, the gas sensor turned blue. Using this
information, the student deducted that the vapor must be from:
HNO3
NH3
HCI
NaCl

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