57.34 D
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4
1 An astronaut who specializes in chemistry
discovers a strange chemical compound Om
and she is unsure of what it is! She does a few
experiments and finds that the chemical compound
has the following percent composition
Mg: 10.89%
CI: 31.77%
0 57.34%
0/5
1. Calculate the moles of Mg.
2. Round to 4 decimal places (4 sig
figs).
3. Show your work.
Show Your Work
Follow the steps below to figure out the empirical
formula
a Using a hypothetical sample of 100 grams, write
the mass of each element in a sample of 100
grams
7:05 PM
2/12/2021
D
9
RI
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