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1mol -------------------- 180g
x moli ----------------- 3,6g
x = 1mol * 3,6g / 180g
x = 0,02mola
0,1dm³ ------------ 0,02mola
1 dm³ ------------- x
x = 1dm³ * 0,02 mola / 0,1dm³
x = 0,2 mola
Stężenie molowe wynosi 0,2 mola/dm³
x mol - 3,6g
x=3,6/180=0,02mol
Cm=n/V=0,02/0,1=0,2mol/dm³