mplatt:
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-]. Eliminate D) base; [H3O+].
umm:
'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. ' --- https://answers.yahoo.com/question/index?qid=20120428203102AAHLQYu#
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