See the following chemical reaction: $\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}+\mathrm{XH}^{+}+6 \mathrm{~F}_{e}^{2+} \rightarrow \mathrm{YCr}^{3+}+6 \mathrm{~F}_{e}^{3+}+\mathrm{Z} \mathrm{H}_{2} \mathrm{O}$ The sum of $\mathrm{X}, \mathrm{Y}$ and $\mathrm{Z}$ is ___________

Question

See the following chemical reaction:

$\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}+\mathrm{XH}^{+}+6 \mathrm{~F}_{e}^{2+} \rightarrow \mathrm{YCr}^{3+}+6 \mathrm{~F}_{e}^{3+}+\mathrm{Z} \mathrm{H}_{2} \mathrm{O}$

The sum of $\mathrm{X}, \mathrm{Y}$ and $\mathrm{Z}$ is ___________

Correct Answer

Solution

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