BYU CHEMISTRY 043 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE GRADED A++ 2025/2026

8/12/25, 8:13
PM



BYU CHEMISTRY 043 FINAL EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
LATEST UPDATE GRADED A++ 2025/2026



Terms in this set (61)



the smallest unit of an atom
element
atomic mass of an atom u
symbol
how many sig figs should 3
be rounded
what is the atomic weight 12 u
of carbon?
what is the atomic weight 1.01 u
of hydrogen?
what is the atomic weight 14 u
of nitrogen?
what is the atomic weight 16 u
of oxygen?
what is the atomic weight 32 u
of sulfur?
groups of atoms that compounds
contain multiple

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different elements?
what is the molecular 18 u
weight of h2o?
what is the molecular 134 u
weight of alcl3?
Avogadro's number is 6.02 x 10*23
the number of items in
one mole. What is its
value?
The mole is a measure of how many
what?
What is the new unit for g/mol
atomic or
molecular weight to be
used in all future
outcomes and lessons?
What is the symbol used mol
for a mole?
If you had Avogadro's 93,000,000 miles
Number of water
drops, it would fill a
swimming pool with a 1
mile diameter and with
a depth of what?
46 grams Ag2Te to 8.05 x 10*22 molecules
molecules
76 grams CaBr2 to moles 0.380 mol
1.00 x 1026 molecules of 166 mol

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