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OpenStudy (anonymous):
Which is the formula mass of Na2SO4? 119.06 amu 125.98 amu 142.05 amu 174.12 amu @Somy
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OpenStudy (anonymous):
would it be 142.05amu?
OpenStudy (somy):
Na 23 S 32.1 O 16 (23*2)+ 32.1 + (16*4) =
OpenStudy (somy):
and u r right
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