Multiple Choice
The taste of sour milk is lactic acid.What is the molecular formula for lactic acid if the percent composition is 40.00% C,6.71% H,53.29% O,and the approximate molar mass is 90 g/mol?
A) CHO
B) CH₂O
C) CHO₂
D) C₃H₆O₃
E) C₆HO8
Correct Answer:

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Correct Answer:
Verified
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