Question

for each of the following equations,calculate the mass of each product formed if 25.0g of the reaction listed first reacts completely with the second.a. 2AgNO3+CaS04=Ag2S04+Ca(No3)2. b. 2AL+GHNO3=2AL(NO3)3+3H2.

Answer 1

Here is a worked example that shows you how to do all of these.
http://www.jiskha.com/science/chemistry/stoichiometry.html