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Ca 40.08 1 40.08
O 16.00 2 32.00
H 1.01 2 2.02
Ca(OH)2 74.10
moles (n) = (g) / (g/mol) = 3.70 / = 0.05 moles
74.10
n Equivalentes (Eq) = n moles /( número oxidación) = 0.05 / 2 = 0.025 Eq
Molaridad (M) = n moles / V (litros) = 0.05 / 0.25 = 0.200 M
Normalida (N) = n Equivalentes / V (litros) = 0.025 / 0.25 = 0.100 N
Espero sea útil