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ladessa [460]
3 years ago
13

How many grams of iron(III) oxide (Fe(OH)3) may theoretically be produced from 85.0 g FeCl3?

Chemistry
1 answer:
Crank3 years ago
8 0

Answer:

56.0 g

Explanation:

Calculation of the moles of FeCl_3 as:-

Mass = 85.0 g

Molar mass of FeCl_3 = 162.2 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{85.0\ g}{162.2\ g/mol}

Moles= 0.52404\ mol

According to the reaction:-

FeCl_3+3 NaOH\rightarrow Fe(OH)_3+3 NaCl

1 mole of FeCl_3 on reaction forms 1 mole of Fe(OH)_3

Also,

0.52404 mole of FeCl_3 on reaction forms 0.52404 mole of Fe(OH)_3

Moles of Fe(OH)_3  = 0.52404 moles

Molar mass of Fe(OH)_3  = 106.867 g/mol

Mass = Moles*Molar mass = 0.52404\times 106.867\ g = 56.0 g

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