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OpenStudy (anonymous):
How many Ta atoms are found in a 1.231 g sample of Ta? I set it up as 1.231 x ((2.06 x 10^23)/(180.94)) and got 1.4 x 10^23. I'm not sure where I went wrong
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OpenStudy (anonymous):
@phi
OpenStudy (phi):
what are you using for Avogadro's number?
OpenStudy (anonymous):
yes as scburchell1 says use the molar-mass equation in combination with avagadro
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