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You have to be careful about pouring drano down your pipes

/in /by

You have to be careful about pouring drano down your pipes since it is mainly hydrochloric acid–you can’t do it if they are made of aluminum because it will dissolve them! You can’t acid clean your aluminum auto parts for the same reasons: 2 Al + 6 HCl → 2 AlCl3 + 3H2. If you wanted to make 10.0 moles of hydrogen gas, how many many moles of Al would you need? NOTE: All numbers located immediately after elemental symbols should be considered subscripts.

A.3.33 moles
B.6.67 moles
C.2.00 moles
D.3.00 moles
E.none of the above

 
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