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Advanced Placement (AP)Advanced Placement (AP)
14 December, 20:08

Limestone and quartz are common minerals found in Florida. Sarah has a piece of each, but does not know which is which. To find out, she plans an investigation to determine the density of each sample, because limestone has a lower density than quartz. Density is equal to the mass divided by volume. She places a piece of each mineral into a graduated cylinder that contains water. The table shows the measurements Sarah recorded. What can Sarah most likely conclude is true? Mass of Mineral 1 9.50g Mass of Mineral 2 9g Volume of water in graduated cylinder 25ml Volume of water and mineral 1 in graduated cylinder 30ml Volume of water and mineral 2 in graduated cylinder 28.4 ml *

a.) Mineral 2 is limestone because it has less mass

b.) MIneral 1 is limestone because it has more mass

c.) MIneral 1 is limestone because it has a lower density

d.) Mineral 2 is limestone because it has a lower density

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Answers (1)
  1. 14 December, 20:27
    0
    Answer: c.) Mineral 1 is limestone because it has a lower density

    Explanation:

    Given dа ta:

    Mass of Mineral 1 = 9.50g

    Mass of mineral 2 = 9g

    Volume of water in graduated cylinder = 25ml

    Volume of water displaced by mineral 1 = 30ml

    Volume of water displaced by miners 2 = 28.4ml

    Therefore;

    Density of mineral 1

    = 9.50g / 30ml

    = 0.3167 kg/m^3

    Density of mineral 2

    = 9g / 28.4

    = 0.3169 kg/m^3

    Therefore Mineral 1 is limestone because due to it's lower density.
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