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OpenStudy (anonymous):
I need help! how many moles are in 3.4*10^-7 grams of silicon dioxide, SiO2. I got 2.0^17 but I think it's wrong :(
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OpenStudy (anonymous):
5.66×10^-9 moles 3.408×10^15 atoms
OpenStudy (anonymous):
how did you get that answer
OpenStudy (anonymous):
Go to wolframalpha.com it will give you the answer to anything. It`s like google but 200x better. Try it out.
OpenStudy (anonymous):
it's awesome thank you
OpenStudy (anonymous):
No problem. It`s made my life 1,000 times easier ant its got features like.. calorie counter conversions dictionaries.. basically anything you do on google Wolfram does it 1,000x better.. and you can even see what flights are flying right above your house
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