Well if the candle lost half of its mass, and they are asking where the other half went. Most likely it is still hardened wax because the it says that you're candle lost half of its mass that means half is gone and the other half is still there. The chemical change would be liquid, and the chemical property would be Wax Vapour that is what i found.
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Answer:
Explanation:
Hello!
In this case, since the freezing point depression for a solution is computed via:
Whereas TW is the freezing temperature of water, TS that of the solution, i the van't Hoff's factor (3 for K2S as it ionizes properly), m the molality of the solution and Kf the freezing point constant of water. Thus, we plug in to obtain:
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The best and most correct answer among the choices provided by the question is the second choice , b. sodium hydroxide .
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Answer: most store-bought isnt
Explanation:
there typically a lot of addivitves
