w celu wyznaczania gestosci nafty uzyto menzurki i wagi. masa pustej manzurki 35g a menzurki z nafta 115g. objetosc nafty 100 ml. oblicz gestosc nafty
naj :)
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115g - 35g = 80 g
100 ml = 100 cm3
d = m/v = 80 g / 100 cm3 = 0,8 g/cm3
d - gęstośc
m - masa
v - objętośc