Multiple Choice
How many moles of N2O3 contain 2.55 × 1024 oxygen atoms?
A) 1.41 moles N2O3
B) 4.23 moles N2O3
C) 12.7 moles N2O3
D) 7.87 moles N2O3
E) 2.82 moles N2O3
Correct Answer:

Verified
Correct Answer:
Verified
Q20: How many anions are there in 2.50
Q49: What is the chemical formula for iron(III)sulfate?<br>A)Fe<sub>3</sub>S<br>B)Fe<sub>3</sub>SO<sub>4</sub><br>C)Fe<sub>2</sub>S<sub>3</sub><br>D)Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>
Q54: Combustion analysis of 63.8 mg of a
Q73: Determine the name for N<sub>2</sub>O<sub>5</sub>.<br>A)dinitrogen pentoxide<br>B)nitrogen oxide<br>C)nitrogen
Q75: Determine the name for HClO<sub>3</sub>.<br>A)hydrochloric acid<br>B)hydrochlorus acid<br>C)chlorate
Q77: Vitamin E is a fat soluble vitamin
Q80: What is the mass of 9.44 ×
Q81: What is the empirical formula of a
Q83: Determine the name for aqueous HBr.<br>A)bromic acid<br>B)bromous
Q128: Calculate the mass percent composition of lithium