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When you buy muriatic acid at the hardware store,

/in /by

When you buy muriatic acid at the hardware store, you are actually buying hydrochloric acid. If you poor it directly on your concrete, and if your concrete contains enough limestone in it, you can actually get a pretty cool reaction. What numbers, in the correct order from left to right, would go in the blanks in order to balance this equation: ___HCl(aq)+ ___CaCO3(s)→ ___CaCl2(aq)+ ___ CO2(aq)+ ___ H2O(aq)

A.2, 1, 2, 2, 1
B.2, 1, 1, 1, 1
C.1, 2, 1/2, 1, 2
D.1, 1, 1, 2, 2
E.none of the above

 
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