Calculate the number of moles of aspirin,C9H8O4,in a 4.0 gram tablet.
A) 2.2 × 10-4
B) 2.2
C) 4.6 × 10-3
D) 0.022
Correct Answer:
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Q1: How many molecules are there in 3.00
Q2: 42.0 g Cl2 contains _ molecules Cl2.
A)1.18
B)3.57
Q3: Which statement based on the mole concept
Q6: Which quantity contains Avogadro's number of molecules?
A)8.8
Q6: The molar mass of Fe(OH)3 is _
Q7: The formula weight of Al2(SO4)3 is _
Q8: How many molecules are present in 1.36
Q8: A thimble of water contains 4.0 ×
Q11: How many molecules are present in 3.25
Q12: The molar mass of butane,C4H10,is _ grams.
A)22.01
B)49.05
C)52.08
D)58.12
E)68.24
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