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hejå

  • 2 years ago

How many atoms are in 15.3 cm3 of mercury (at room temperature)?

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  1. JFraser
    • 2 years ago
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    you will need to know the density of mercury, as well as the molar mass, and the number of atoms that make up a mole

  2. hejå
    • 2 years ago
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    and how do you put them together eg density * mass +atmon? or what

  3. JFraser
    • 2 years ago
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    set up conversion fractions to cancel units and replace them with better ones:\[(\frac{15.3cm^3 Hg}{1}) * (\frac{g Hg}{cm^3 Hg})*(\frac{molHg}{g Hg})*(\frac{atoms Hg}{mol Hg})\] plug in the numbers, and all the units except the atoms of Hg will cancel. It better be huge, because there are a lot of atoms in 15.3cm3 of Hg

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