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hejå
Group Title
How many atoms are in 15.3 cm3 of mercury (at room temperature)?
 one year ago
 one year ago
hejå Group Title
How many atoms are in 15.3 cm3 of mercury (at room temperature)?
 one year ago
 one year ago

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JFraser Group TitleBest ResponseYou've already chosen the best response.0
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
 one year ago

hejå Group TitleBest ResponseYou've already chosen the best response.1
and how do you put them together eg density * mass +atmon? or what
 one year ago

JFraser Group TitleBest ResponseYou've already chosen the best response.0
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
 one year ago
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