Jawaban
Massa jenis air 1 gram/cm3 1 cm3 air massanya 1 gram
Massa 50 ml air (50 cm3) = 50 x 1 = 50 gram
Massa jenis alkohol 0.8 gram/cm3 1 cm3 alkohol
massanya 0,8 gram
Massa 50 ml alkohol (50 cm3) = 50 x 0,8 = 40 gram
Massa campuran = 50 gram + 40 gram = 90 gram
Volume campuran = 50 ml + 50ml = 100 ml
∴ massa jenis campuran = 90 gram/100 ml =
0,9 gram/liter = 0,9 gram/cm3
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Besaran & Satuan
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