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m ( H₂O ) = 250 gr
dit : m ... ?
m = massa / mr x 1000 / p
= 8,5 / 170 x 1000 / 250
= 850 / 4,250
= 0,2
p = 250 gr
dit : m ... ?
m = m / mr x 1000 / p
= 8,5 / 170 x 1000 / 250
= 850 / 4,250
= 0,2