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SAT® Subject Test in Chemistry

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Moderate

Empirical Formula: Data Analysis

SATCHM-KOZXUA

A mass of 0.65g of zinc reacts completely with $HCl$ to produce hydrogen gas and a zinc chloride compound.

The mass of the chlorine in the compound is 0.71g, what is the empirical formula of this compound?

A

$ZnCl$

B

$ZnCl_3$

C

$ZnCl_5$

D

$ZnCl_4$

E

$ZnCl_2$