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fluida kelas XI tolong dong?
Dik : Vair=2000cm^3
Valkohol=1000cm^3
Massa Jenis alkohol=0,8 gram/cm^3
Massa jenis air=1 gram/cm^3
Dit: Massa jenis larutan tersebut
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- 9 years agoFavorite Answer
V total = Vair + Valk
V = 2000 + 1000
V = 3000 cm^3
m total = m_air + m_alk
m = ro_air*Vair + ro_alk*Valk
m = 1*2000 + 0.8*1000
m = 2800 gr
ro = m / V
ro = 2800 / 3000
ro = 0.933 gram/cm^3
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