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OpenStudy (anonymous):
what is the molecular weight (molar mass) of Rb2B4O7?
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OpenStudy (anonymous):
326.18g
OpenStudy (anonymous):
how?
OpenStudy (anonymous):
Add the mass of all the different atoms. For example O = 7*16, B = 4x 10...., and Rb= 2*...
OpenStudy (anonymous):
Then it's that number that will equal 1 mole of the substance in this case it's 326.18g equals 1 mole of rb2b4o7
OpenStudy (anonymous):
thank you
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