Name:__________________________________ Date:__________________ Class period:_____
U5 Limiting Reagent WKSHT
Homework!
Directions: Use dimensional analysis to solve the following problems. Be sure to show all of
your work, include your units, and use correct significant figures!
1. If 50.0 g of KCl reacts with 50.0 g of O2 to produce KClO3 according to the following
equation, how many grams of KClO3 will be formed?
__ KCl + __ O2  ___ KClO3
2. If 34.5 g of Copper reacts with 70.2 g of silver nitrate, according to the following
reaction, what is the maximum number of grams of silver that can be produced?
___ Cu
+
___ Ag(NO3)

___ Cu(NO3)2
+
___ Ag
3. If 85 g of NH4Cl reacts with 130 g of Ca(OH)2 according to the following reaction, what is
the maximum mass of ammonia that can be formed?
2 NH4Cl
+
Ca(OH)2

CaCl2
+ 2 NH3
+
2 H 2O
Copyright © 2015 MsRazz ChemClass
4. If 25 g of NH3 and 96 g of H2S react according to the following reaction, what is the
maximum mass of ammonium sulfide that can be formed?
2 NH3
+
H 2S

(NH4)2S
5. If 5.3 g of gallium reactions with 5.3 g of oxygen according to the following reaction, how
many grams of gallium oxide can be produced?
Word equation:
Formula equation:
(Must be balanced!)
6. If 47.2 g of Calcium chloride reacts with 135.2 g of nickel arsenate according to the
following balanced equation, how many grams of nickel chloride are produced?
3 CaCl2
+
Ni3(AsO4)2

3 NiCl2
+
Ca3(AsO4)2
Copyright © 2015 MsRazz ChemClass