Multiple Choice
In 0.266 mol of trimellitic acid,C6H3(COOH) 3,there are
A) 1.60 × 1022 molecules.
B) 6.41 × 1024 molecules.
C) 4.80 × 1023 oxygen atoms.
D) 1.44 × 1024 carbon atoms.
E) 2.67 × 1023 hydrogen atoms.
Correct Answer:

Verified
Correct Answer:
Verified
Q106: A 4.215 g sample of a compound
Q107: How many atoms of carbon are there
Q108: What is the molecular mass of the
Q109: What is the mass in grams of
Q110: One commercial system removes SO<sub>2</sub> emissions from
Q112: One step in the isolation of pure
Q113: Sodium cyclamate,C<sub>6</sub>H<sub>11</sub>NHSO<sub>3</sub>Na,was used at one time as
Q114: In 1928,1.0 g of rhenium,Re,was isolated from
Q115: A 4.957 g sample of a hydrocarbon
Q116: The formula mass of aluminum oxalate,Al<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>,is<br>A)143 amu.<br>B)318