For an investigation, a student records data about four unknown substances. Data for unknown substances: Substance Mass (8) 1 6.95 2 4.54 3 3.40 4 10.35 Volume (cm) Density (g/cm’) 4.0 2.0 3.0 5.0 The student then calculates the densities of the unknown substances and compares them with the table of densities of unknown substances below. Densities of some known substances: Substance Density (g/cm) Calcium 1.54 Carbon 2.27 Magnesium 1.74 Phosphorus 1.82 Platinum 21.46 Sulfur 2.07 Which unknown substance is most likely carbon? Substance 1 Substance 3 Substance 2 O Substance 4
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