Posted by Nicole on Monday, March 14, 2011 at 8:43pm.
This is the same kind of problem as the C3H8 + O2 I worked earlier. The only difference is that in reactions involving all gases, L may be used as if they were moles. When grams is used, one must convert to moles by moles = grams/molar mass. Here is a link that you can follow for working simple stoichiometry problems. Just do it twice, once for the Zn and once for the HF.
http://www.jiskha.com/science/chemistry/stoichiometry.html
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