You have 2.0 x 10²² moles of HCl in the equation below. How many moles of CaCl₂ will you make?

1 Answer
anor277
Mar 17, 2018

Well, clearly you will make #1.0xx10^22*mol# of #CaCl_2#...

Explanation:

And we interrogate the stoichiometric equation....

#Ca(s) + 2HCl(aq) rarr CaCl_2(aq) + H_2(g)uarr#

And given two equiv of hydrogen chloride we make one equiv of calcium chloride....

...a mass of ..........

#1.0xx10^22*molxx110.98*g*mol^-1xx10^-3*kg*g^-1=1.11xx10^21*kg#

...and this is not an insignificant mass of stuff...

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