Dr. Halitosis wants to make some edible vinegar from a 5.2 Macetic acid solution that he has in his lab. If he wants 175 mL of a 0.83 M solution, what volume of the concentrated solution does he
need to start with?
O 19.4 mL
O 6.3 mL
O1096 mL
O None of the other answers is correct.
0 27.9 mL

answer is: c. the experiment shows that the red substance experienced a chemical change.

this is chemical change (chemical reaction), because two new substances are formed (metalig liquid and gas), the atoms are rearranged and the reaction is followed by an energy change.

this is example of chemical decomposition.

chemical decomposition (analysis) is the separation of a single chemical compound into its two or more elemental parts or to simpler compounds.  

chemical decomposition is opposite of chemical synthesis.

what are the statements