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Chemistry 7 Online
OpenStudy (leahhhmorgannn):

Convert the mass of dehydrated compound to moles of the compound? What would be the formula to do this? I want to work it out myself, but I don't know how to set it up. The mass of the dehydrated compound they're referring to is 0.939 grams.

OpenStudy (anonymous):

hello

OpenStudy (leahhhmorgannn):

hey joe!

OpenStudy (anonymous):

hey, need help?

OpenStudy (leahhhmorgannn):

yeah, I think the formula to set this problem up would be moles = mass / (mass of 1 mole) but I can't figure out what the mass of 1 mole is

OpenStudy (anonymous):

this might help

OpenStudy (anonymous):

Or do this, 5.Convert the mass of water to moles of water. 6.Convert the mass of dehydrated compound to moles of the compound. 7.Divide by the lowest mole value to get a whole number mole ratio. 1.Obtain the mass of the empty crucible.

OpenStudy (leahhhmorgannn):

so would the formula then be this: moles = mass / (6.02 * 10^23)?

OpenStudy (leahhhmorgannn):

those steps are the exact steps from my assignment lol

OpenStudy (anonymous):

3.09 Honors Lab-Calculations Help

OpenStudy (anonymous):

look that up

OpenStudy (leahhhmorgannn):

the FLVS link?

OpenStudy (anonymous):

yes the first one

OpenStudy (leahhhmorgannn):

I could've just found that on my Chemistry course's help site oh wow thanks!

OpenStudy (anonymous):

yep

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