SAT® Subject Test in Chemistry

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Moderate

Stoich Volume to Mass

SATCHM-UE6HN7

$$MnO_2+ 4HCl → 2H_2O + MnCl_2+ Cl_2$$

The reaction of $MnO_2$ and $HCl$ produces 2.24 L of $Cl_2$ gas.

What mass of $MnO_2$ was used up by the reaction?

A

$7.19 \ g$

B

$87.9 \ g$

C

$2.24 \ g$

D

$8.69 \ g$

E

$71.9 \ g$