The grey liquid is related to the white liquids because the change in colour is the result of a chemical change/reaction between the two white liquids.
The answer is D. Fertilizer and vinegar
Depends on what the base is. You would reference the base dissociation chart for that value.
PH = 0.1289<span> for </span>1.50<span> M solution of weak acid with Ka value of </span><span>.73</span>
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