Which of the following compounds has its oxygen composition equal to 50.0%?
A) (NH4) 2CO3
B) CH2O2
C) C2H3NO2
D) C10H20ONS
Correct Answer:
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Q52: Which of the following does not contain
Q60: Which statement is true when comparing acetic
Q61: Which of the following % compositions does
Q62: Which contains the highest % of oxygen?
A)H2O2
B)Na2O2
C)HgO
D)CO2
Q63: A chromium-silicon compound contains 73.52% chromium. The
Q65: Which contains the least % of oxygen?
A)H2O2
B)Na2O2
C)HgO
D)CO2
Q66: Which contains the highest % of hydrogen?
A)HCl
B)H2SO4
C)H3PO4
D)H2O
Q67: An iron oxide is 70.0% in iron.
Q68: Which of the following has the lowest
Q69: An iron oxide is 77.7% in iron.
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