For the reaction 4 FeCl2(aq) + 302(g) → 2Fe2O3(s) + 4Cl2(g), what volume of a

Chemistry

1 answer:

Darya [45]3 years ago

5 0

Answer:

$V=10.12mL$

Explanation:

Hello there!

In this case, according to the given chemical reaction, it is possible to evidence the 4:3 mole ratio between oxygen and iron (II) chloride; thus, we can compute the moles of the latter that are consumed by the given molecules of the former:

$n_{FeCl_2}=4.32x10^{21}molec O_2*\frac{1molO_2}{6.022x10^{23}molec O_2} *\frac{4molFeCl_2}{3molO_2} \\\\n_{FeCl_2}=0.0095molFeCl_2$

Now, since we have a 0.945-M solution of this iron (II) chloride, the corresponding volume turns out to be:

$V=\frac{n_{FeCl_2}}{M}\\\\V=\frac{0.00956mol}{0.945mol/L}\\\\V=0.01012L\\\\V=10.12mL$

Best regards!

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