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

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j