Answer:
D. It has a high concentration of OH- ions in solution.
From the equation, 32 equiv dixoygen gas evolve from 1 equiv chlorate.
You started with 6 equiv chlorate, and thus 9 equiv dioxygen gas are evolved. This is a common undergrad experiment. I think you need to add some sort of manganese oxide catalyst.
Answer:
well what's the question? we can't see it
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