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17-03-2018
Chemistry

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how many moles of NAHCo3 are present in a 2.oog sample

Respuesta :

17-03-2018

Moles = grams/gfm

Na: 23
H: 1
C: 12
O: 48

gfm = 23+1+12+48 -> 84

So, 2g/84g/mol = 0.0238 moles of NaHCO3

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