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anonymous

  • one year ago

A student used a balance and a measuring cylinder containing water to find the density of a small stone. mass of stone = 20g original volume of water in cylinder = 30 cm^3 volume of stone and water = 38 cm^3 Density of stone = ________

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  1. anonymous
    • one year ago
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    @Michele_Laino

  2. Michele_Laino
    • one year ago
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    the volume of the stone, is: 38-30=...cm^3

  3. anonymous
    • one year ago
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    8 cm^3

  4. Michele_Laino
    • one year ago
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    correct!

  5. Michele_Laino
    • one year ago
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    so, the requested density, is: \[\Large \delta = \frac{m}{V} = \frac{{20}}{8} = ...\frac{{{\text{grams}}}}{{{\text{c}}{{\text{m}}^{\text{3}}}}}\]

  6. anonymous
    • one year ago
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    2.5

  7. Michele_Laino
    • one year ago
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    correct!

  8. anonymous
    • one year ago
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    thats the ans?

  9. anonymous
    • one year ago
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    @Michele_Laino

  10. Michele_Laino
    • one year ago
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    yes! density= 2.5 grams/cm^3

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