An unsaturated aqueous solution of nh3 is at 90.°c in 100. grams of water. according to reference table g, how many grams of nh3 could this unsaturated solution contain?
(1) 5 g (3) 15 g
(2) 10. g (4) 20. g

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