Homework Help: Chemistry, Need Help!!

Posted by Hannah on Monday, October 3, 2011 at 11:03pm.

a)How many grams of H2 are needed to produce 14.27 g of NH3?

b)How many molecules (not moles) of NH3 are produced from 1.57×10−4 g of H2 ?

Chemistry, Need Help!! - DrBob222, Monday, October 3, 2011 at 11:31pm
You need an equation, then follow the steps in this example problem.
http://www.jiskha.com/science/chemistry/stoichiometry.html

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