Analysis of a compound used in cosmetics reveals the compound contains 26.76% C, 2.21% H, 71.17% O and has a molar mass of 90.04 g/mol.
snowlovelydayM
Answered question
2021-09-21
Answer & Explanation
Clelioo
Skilled2021-09-22Added 88 answers
1. We know:
26.76 percent of C
2.21 percent of H
71.17 percent of O
M(compound)
M(compound)=90.04 g/mol
2. Now, calculate the mole ratio using the mass ratic.
3. The mole ratio is set:
C:H:O=2.23 : 2.21 : 4.45
Than, divide number of moles with the smallest character (2.21):
C:H:O=1:1:2
Hence, the empirical formula is:
Molar mass of Is:
(12+1+16+16) g/mal = 45g/mol
Molar mass of given compound is 90g/mol That means 2 times bigger, therefore, given ratio is needed to multiply with 2 and is the molecular formula od given compound.
The molecular formula od given compound .
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