Respuesta :

The percent by mass of potassium in K3Fe(CN)6 is 35.62%.

Answer:

The percentage of potassium in the given complex is 35.54 %.

Explanation:

Mass of potassium in [tex]K_3Fe(CN)_6[/tex] = 3 × 39.10 g mol=117.3 g/mol

Molar mass of [tex]K_3Fe(CN)_6[/tex] =329.15 g/mol

Percentage of potassium (K) in the the complex:

[tex]\% K=\frac{\text{mass of potassium}}{\text{molar mass of complex}}\times 100[/tex]

[tex]\%K=\frac{117.3 g/mol}{329.15 g/mol}\times 100=35.54\%[/tex]

The percentage of potassium in the given complex is 35.54 %.

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