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Respuesta : CaCl₂ PM = 110, 98 g / molvolumen = 250 ml ≈ 0, 25 lN = 2 eq / lmasa = ?

27, 75 gmoles = ?

0, 25 moleq - g = ?

0, 5M = ?

1 mol / lN = eq - g / Leq - g = N × Leq - g = 2 eq - g / l × 0, 25 leq - g = 0, 5N = gramos Peq × Lgramos = N × Peq × LPeq = PM / n°valenciaPeq = 110, 98 / 2Peq = 55, 49 g / eqgramos = 2 eq / l × 55, 49 g / eq × 0, 25 lgramos = 27, 75 gmoles = gramos / PMmoles = 27, 75 g 110, 98 g / molmoles = 0, 25 molM = moles / litrosM = 0, 25 mol / 0, 25 lM = 1 mol / lH₂AsO₄ PM = 140, 9 g / molmasa = 60 gv = 300 ml≈ 0, 3 litrosM = gramos PM × LM = 60 g 140, 9 g / mol × 0, 3 LM = 60 g 42, 27 g .

L / molM = 1, 42 mol / Lmoles = gramos / PMmoles = 60 g / 140, 9 g / molmoles = 0, 43 moleq - g = gramos / PeqPeq = PM / n°HPeq = 140, 9 g / eq 2Peq = 70, 45 g / eqeq - g = 60 g / 70, 45 g / eqeq - g = 0, 85N = eq - g / LN = 0, 85 eq / 0, 3 LN = 2, 83 eq / lAl(OH)₃ PM = 78 g / moleq - g = 4N = 5 eq - / LN = eq / LL = eq / NL = 4 eq 5 eq / lL = 0, 8 litroseq = masa / Peqmasa = eq×PeqPeq = PM / n°OHPeq = 78 g / eq 3Peq = 26 g / eqmasa = 4 eq × 26 g / eqmasa = 104 gramosmoles = gramos / PMmoles = 104 g / 78 g / molmoles = 1, 33 molM = moles / LM = 1, 33 mol / 0, 8 LM = 1, 66 mol / lNaClO₄ PM = 122, 44 g / molmasa = 80 gv = 600 ml≈0, 6 litrosmoles = 80 g / 122, 44 g / molmoles = 0, 65 molM = 0, 65 mol / 0, 6 lM = 1, 08 mol / l eq - g = masa / PeqPeq = PM / valenciaPeq = 122, 44 g / eq 1Peq = 122, 44 g / eqeq - g = 80 g 122, 44 g / eqeq - g = 0, 65 eqN = 0, 65 eq / 0, 6 lN = 1, 08 eq / l.