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WorksheetsAssessment - Limiting & Excess Reactants
Total questions: 15
Worksheet time: 50mins
Using the diagram, determine the limiting reactant, the product formed is water.
oxygen
hydrogen
none of the reactant are limiting
both hydrogen and oxygen
Which of the following describes an excess reactant? (Check all that apply)
The reactant that is not completely consumed during a reaction
None of this reactant is left over after the reaction take place
The reactant that is completely consumed during the reaction
Some of this reaction is left over after the reaction
Which of the following describes a limiting reactant? (Check all that apply)
The reactant that is not completely consumed during a reaction
None of this reactant is left over after the reaction take place
The reactant that is completely consumed during the reaction
Some of this reaction is left over after the reaction
4NH3+6NO --> 5N2 + 6H2O
How much SOCl2 is produced when 16.2g SO2 react with 13.7g PCl5?
7.87g
30.1g
26.4g
19.8g
4NH3 + 5O2 --> 4NO + 6H2O How many grams of NO are formed if 6.30g of ammonia react with 1.80g of oxygen?
0.37g
0.045g
1.35g
11.1g
How many grams of lead II chloride are produced from the reaction of 15.3 g of NaCl and 60.8 g of Pb(NO3)2?
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles are left of the excess reactant if 7 moles H2 and 2 moles Fe2O3 react together?
1 mol
4.667 mol
0.667 mol
4 mol
Mg + 2HCI → MgCI2 + H2
How many moles are left of the excess reactant if 0.02 mol Mg and 0.03 mol HCI react together?
0.02 mol
0.015 mol
0.005 mol
0.01
SO2 + PCl5 --> SOCl2 + POCl3
How many grams are are left of the excess reactant when when 16.2g SO2 reacts with 13.7g PCl5?
Molar Mass: SO2 = 64.07 g/mol & PCl5 = 208.24 g/mol
& SOCl2 = 118.97 g/mol
7.83 g
11.98 g
30.08 g
19.8 g
