Answered

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Measurements of a compound reveal that it is 36% carbon, 6% hydrogen, and 48% oxygen, with systematic
error accounting for the remaining 10%. Which of the following is the most accurate empirical formula for
this compound?​

Sagot :

drpelezo

Answer:

Empirical Formula = CH₂O

Explanation:

C = 36% => 36g/12g/mol = 3 moles

H =   6% =>    6g/1g/mol = 6 moles

O =  48% => 48g/16g/mol = 3 moles

C:H:O Empirical Ratio reduced to smallest whole number ratio (i.e.; divide by the smaller mole value)

=> (3 moles/3 moles) : (6 moles/3 moles) : (3 moles/3 moles)

=> 1:2:1

∴Empirical Formula = CH₂O

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