Un volum de apa dizolva la temperatura si presiune obisnuita un volum(c.n) de acetilena. Concentratia procentuala a unei solutii saturate de acetilena in apa in conditii standard este...( raspuns: 0,1158%)
1 l apa are m = 1Kg = 1000g 1 l C2H2 are m = 1/22,4·26 = 1,16g ------------------------------------------------------- ms = 1001,16g md = 1,16 g c = 1,16·100/1001,16 = 0,1159%
