Sylvia added five drops of bromthymol blue to a beaker of distilled water and the solution turned green. Next, she placed a drinking straw into the solution and blew gently, bubbling carbon dioxide into the water. The solution gradually turned yellow. This color change indicates a pH in the _______ range and an excess of ________ in solution.
A) acid; [H+].
B) acid; [OH-].
C) base; [OH-].
D) base; [H3O+]
Answers
Sylvia added five drops of bromthymol blue to a beaker of distilled water and the solution turned green. Next, she placed a drinking straw into the solution and blew gently, bubbling carbon dioxide into the water. The solution gradually turned yellow. This color change indicates a pH in the ACID range and an excess of H(+) in solution.
A) acid; [H+].
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Answer:
Sylvia added five drops of bromthymol blue to a beaker of distilled water and the solution turned green. Next, she placed a drinking straw into the solution and blew gently, bubbling carbon dioxide into the water. The solution gradually turned yellow. This color change indicates a pH in the ACID range and an excess of H(+) in solution.
A) acid; [H+