Answered

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2. A compound with an empirical formula of C2H3Br2 has a molar mass of 373.69 g/mol. What is
the molecular formula?
(The molar mass of C2H3Br2 = 186.85 g/mol)
E) C4H6Br4
А) C2H3Br2
B) CHBr
C) C6H9Br6 D) C4H6Br2
(0.5 Points)
A

Sagot :

Aadhira

Hope this Attachment is helpful

View image Aadhira
View image Aadhira
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C4H6Br4
Because 373.69 is the mass we want, but the empirical mass so far is 186.85

If you notice, 186.85 x 2 is 373.69
So now we times every number in
C2H3Br2 by 2
So c4h6Br4
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