Which of the following could be an empirical formula?
A) C9H8O4 (aspirin)
B) C6H8O6 (vitamin C)
C) C8H10N4O2 (caffeine)
D) C10H14N2 (nicotine)
Correct Answer:
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Q12: A 200.0 g sample of pure MgCl2
Q13: The structural formula is the simplest formula.
Q14: Choose the INCORRECT statement.
A)A molecule is a
Q15: Organic chemistry refers to compounds of oxygen,and
Q16: A mole of the substance water,H2O,refers to:
A)12.0000
Q18: Aspartame,C14H18N2O5,a low-calorie sweetener,is about 200 times sweeter
Q19: Only metals in binary compounds use prefixes
Q20: A molecule is a group of bonded
Q21: Choose the INCORRECT name formula combination.
A)CaH2 calcium
Q22: Choose the INCORRECT oxidation state.
A)Cl is +5
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