2X + 2HCl  → 2XCl  +  H\(_2\)

In the equation above, X is 

a

K

b

Mg

c

Ca

d

Ba

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Explanation

Correct Option
a

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Najibutajo1
4 months ago

potassium ( k )

AcersofChemistry
5 months ago

A.
potassium is the only univalent metal in the options that would lead to such combination

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