Pesi (masse) relativi ed assoluti

Calcolare i pesi molecolari relativi ed assoluti delle seguenti sostanze

K₄Fe(CN)₆  (368,34 u - 6,12 10^-22 g)

H₂SO₄    (98,08 u - 1,63 10^-22 g)

H₂O (18,02 u - 2,99 10^-23 g)

K₂SO₄    (174,26 u - 2,89 10^-22 g)

FeSO₄ (151,91 u - 2,52 10^-22 g)

(NH₄)₂SO₄ (132,14 u - 2,19 10^-22 g)

CO (28,10 u - 4,67 10^-23 g)

KBr   (119,00 u - 1,98 10^-22 g)

Br₂ (159,81 u - 2,65 10^-22 g)

SO₂    (64,06 u - 1,06 10^-22 g)

Na₂CO₃ (105,99 u - 1,76 10^-22 g)

KNO₃   (101,10 u - 1,68 10^-22 g)

Na₂CrO₄ (161,97 u - 2,69 10^-22 g)

CO₂ (44,01 u - 7,31 10^-23 g)

KNO₂ (85,10 u - 1,41 10^-22 g

MnO₂     (86,94 u - 1,44 10^-22 g)

MnSO₄ (151,00 u - 2,51 10^-22 g)

Fe₂(SO₄)₃    (399,88 u - 6,64 10^-22 g)

Cr₂O₃     (151,99 u - 2,52 10^-22 g)

Ca(OH)₂     (74,09 u - 1,23 10^-22 g)

Na₂HAsO₃ (169,91 u - 2,82 10^-22 g)

KBrO₃    (167,00 u - 2,77 10^-22 g)

H₃AsO₄ (141,94 u - 2,36 10^-22 g)

NaCl  (58,44 u - 9,70 10^-23 g)

Ce₂(SO₄)₃   (568,42 u -9,44 10^-22 g)

HCl    (36,46 u - 6,05 10^-23 g)

Fe₂O₃ (159,69 u - 2,65 10^-22 g)

NaIO₃    (197,89 u - 3,29 10^-22 g)

CaH₂  (42,09 u - 6,99 10^-23 g)

Ba(ClO)₂ (240,23 u - 3,99 10^-22 g)