Ch. 9 stoichiometry test [45 points] Chemistry

Show your work in an organized manner, includes any relevant equation / formula, proper units in your work / answer, and the proper number of significant figures in your answer. 15 points per problem.

 

1. fill-in the blank:   100.0 g AgNO3   +   100.0 g CaCl2  -->  ____ g AgCl + Cu(NO3)2.

 

2. fill-in the blank:   ___ g C2H5OH   +  ____ g O2   -->   10.0 g H2O + CO2.

 

3. What is the % yield in the chemical reaction:    excess N2   +   5.0 g H2  -->    20.0 g NH3 ?