The formula Ca(NO3) 2 tells us that one formula unit of this compound is composed of ________ calcium atoms,________ nitrogen atoms,and ________ oxygen atoms.
A) one;two;six
B) two;two;six
C) one;two;five
D) one;one;five
E) one;one;six
Correct Answer:
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Q53: What is the formula of a compound
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-aluminum phosphate
A)
-ammonium acetate
A)
-sodium nitrite
A)
A)OHNH4.
B)NH4NO3.
C)NH4O.
D)NH4OH.
E)Al(OH)3.
