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37% de 1200g = 444g
Hay 444g/L en la disolución de clorhídrico
HCl = 36,5 g/mol ; hay 444g/L / 36,5g/mol = 12.26 mol/L
3750ml = 3,75 L
0,25M = n° moles/ 3,75L ; 0,9375 mol
1L hay 12.26 mol
xL hay 0.9375
xL = 0,076L = 76mL de HCl 1,2g/ml 37%. Aforar con agua hasta 3750mL