Name:__________________________________ Date:__________________ Class period:_____
Unit: Stoichiometry
“Practice with Mass-Mass Calcs” – Wksh #2a
Directions: For each of the following, use dimensional analysis to solve the
problem. Record your answer to the correct number of significant figures and
include the appropriate units.
1. What mass of potassium would react with excess chlorine to produce 156 g of
potassium chloride?
____ K + ____ Cl2 ____ KCl
2. How many grams of zinc will be formed if 32.0 g of copper reacts with zinc
nitrate? Copper(I)nitrate is the other product.
____ Cu + ____ Zn(NO3)2 ____ Zn + ____ Cu(NO3)
3. Aluminum reacts with 42 g of iron(II) sulfate. How many grams of iron are
formed? Aluminum sulfate is the other product?
____ Al + ____ Fe(SO4) ____ Fe + ____ Al2(SO4)3
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