A thimble of water contains 4.0 × 1021molecules.The number of moles of H2O is
A) 2.4 × 1045.
B) 6.6 × 10-3.
C) 6.6 × 10-23.
D) 2.4 × 1023.
E) 2.4 × 10-23.
Correct Answer:
Verified
Q3: 42.0 g Cl2 contains _ molecules Cl2.
A)1.18
B)3.57
Q4: How many molecules are there in 3.00
Q5: The molecular weight of PCl3 is _
Q6: The molar mass of Fe(OH)3 is _
Q7: The formula weight of Al2(SO4)3 is _
Q9: The number of grams in 0.350 mol
Q10: Acid rain forms in the upper atmosphere
Q11: The formula weight of ammonium carbonate, (NH4)2CO3
Q12: The molar mass of butane,C4H10,is _ grams.
A)22.01
B)49.05
C)52.08
D)58.12
E)68.24
Q13: Which quantity contains Avogadro's number of molecules?
A)8.8
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