1. Oblicz mase 1 dc3 benzyny kórej gestosc wynosi 0,72 g na cm3
2. Oblicz obietosc jaką zajmuje 150 g wody gestosc wody = 1 g na cm3
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V = 1dm3
d = 0,72g/cm3 = 0,72kg/dm3
m = dV
m = 0,72kg/dm3 * 1dm3 = 0,72kg
zadanie2
m = 150g
d = 1g/cm3
d = m/V => V = m/d
V = 150g/1g/cm3 = 150cm3
m= 0,72*1000= 720 [g]
2. d=m/V V=m/d
V= 150/1= 150[cm3]