CHEM 1001/CHM 1020/CHM1025C/CHM1032C           Name: _______________

Module Five Sample Pretest


Module Five Part I:Chemical Equations & Stoichiometry

A._____(05) Molecular Mass Calculation

B._____(05) Mole Calculations

C._____(05) Percentage Composition Calculation

D._____(05) Empirical Formula Calc. from % Comp

E._____(05) Basic Stoichiometric Definitions

F._____(20) Balancing Chemical Equations by Inspection 

G._____(05) Predicting Single Replacement Products

H._____(05) Predict Double Replacement & Neutralization Reactions

I.______(10) Mole-Mole Problems 

J._____ (10) Mass-Mass Stoichiometric Problems

M._____(10) Multiple Choice Chapters 8, 9, & 10

______(85) Total = ______%


Module Five-Part A: Molecular Mass Calculation    5 points


1. Calculate the molecular mass of Acetic Acid, HC2H3O2.









2. Calculate the formula unit mass of Ammonium Chromate, (NH4)2CrO4 .







3. Calculate the molecular mass of glucose,  C6H12O6.