When the equation cacO3+HCl=CaCl2+H20+CO2 is balanced the coefficient of HCl is: A)2 B)1 C)3 D)all of the above? Thanks

1 Answer
anor277
Nov 5, 2017

#A.#

Explanation:

A stoichiometrically balanced equation CONSERVES mass and CONSERVES charge.....and the equation reflects this conservation...

#CaCO_3(s) + 2HCl(aq) rarr CaCl_2(aq) +CO_2(g)uarr + H_2O(l)#

Is this stoichiometrically balanced? If you were getting change from a #£20-00# note, I bet you would be able tell automatically whether you were short-changed or not....

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