New Worksheet - Chemistry - Atomic Mass (II)

Formulas
1 amu = 1.66 x 10–24 g
g / amu = # of moles
1 mole = 6.02 x 1023

Problem 1
Write out the balanced reaction for the complete combustion of C14H30.
Answer: ____________________________________________________________________________________

Problem 2
If an automobile completely combusts 9.22 grams of C14H30 (see your reaction for #1), how many grams of carbon dioxide will be produced?
Answer: ___________________________

Problem 3
What is the mass of one CoCl2(NH3)4 molecule in amu?
Answer: ___________________________

Problem 4
Write out the balanced reaction for the formation of Fe(H2O)6.
Answer: ____________________________________________________________________________________

Problem 5
If in the reaction from #4 4.31 moles of Fe (iron) are used, how many moles of Fe(H2O)6will be produced?
Answer: ___________________________

Problm 6
What is the mass of one Ir atom in grams?
Answer: ___________________________


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