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Limiting Reagents 2 (Worksheet)

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Work in groups on these problems. You should try to answer the questions without referring to your textbook. If you get stuck, try asking another group for help.

1. Given the following reaction:                                       (hint: balance the reaction first)

    \(Na_2SO_4 + AgNO_3 \rightarrow NaNO_3 + Ag_2SO_4\)

If you start with 60 mL of a 3.0 M \(Na_2SO_4\) solution and 40 mL of a 3.0 M \(AgNO_3\) solution,

a)  determine the limiting reagent

b)  using the information from part a, determine the theoretical yield of \(Ag_2SO_4\)

c)  determine the number of grams of excess reagent left


2. Given the following reaction:

  \(Ca(OH)_2 + HClO_4 \rightarrow H_2O + Ca(ClO_4)_2\)

a)  If 40 mL of a 1.0 M \(HClO_4\) solution is reacted with 60 mL of a 1.5 M \(Ca(OH)_2\) solution, determine the limiting reagent

b)   Determine the number of moles of \(H_2O\) produced

c)   Determine the number of grams of \(Ca(ClO_4)_2\) produced

d)   Determine the number of grams of excess reagent left over in  the reaction