Homework Help: chemistry

Posted by joe walker on Wednesday, December 28, 2011 at 1:51pm.

How many milliliters of a 3.00 M solution of hydrochloric acid are needed to completely react with 25.0 g of zinc sulfide according to the chemical reaction shown below?

ZnS(s) + 2HCl(aq) ? ZnCl2(aq) + H2S(l)
(Answer to three significant digits.)

_____ mL of 3.00 M hydrochloric acid

chemistry - DrBob222, Wednesday, December 28, 2011 at 2:14pm
You have the balanced equation.
Follow the instructions at this link to convert 25.0g ZnS to moles HCl.
Then M HCl = moles HCl/L HCl, solve for L HCl and convert to mL.
http://www.jiskha.com/science/chemistry/stoichiometry.html

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