Mm K2CO3=
Mm K2CO3= 138.20 g/mol
n = 48.5 g /138.20 g/mol
n = 0.3509 mol
M = 0.3509 mol / 1.76 L
M = 0.199 ≈ 2 mol/L
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Mm K2CO3=
Mm K2CO3= 138.20 g/mol
n = 48.5 g /138.20 g/mol
n = 0.3509 mol
M = 0.3509 mol / 1.76 L
M = 0.199 ≈ 2 mol/L
PM×L
Peso Molecular = (39×2 + 12×1 + 16×3) = 78+12+48
= 138 g/mol
M = 48,5 gramos
138 g/mol×1,76 L
M = 48,5 gramos
242,88g/mol×L
M = 0,19 mol/L
por favor calificame,gracias