1. The conjugate acid of H2PO4– is ______. (the numbers in the formulas are subs
ID: 999258 • Letter: 1
Question
1. The conjugate acid of H2PO4– is ______. (the numbers in the formulas are subscripts in the question and answer choices)
A. PO4 -3 (the -3 is a superscript)
B.H2PO4
C. H3PO4
D.H2PO4-
2. The conjugate base of HPO4–2 is ______. (the 4 is a subscript and the -2 is a superscript)
A.H2PO4 (the numbers are subscripts)
B. PO4-3( the 4 is a subscipit and the -3 is a superscript)
C. H2PO4- (the numbers are subscripts)
D.H3PO4 (the numbers are superscripits)
3. In an acidic solution, how does the concentration of hydronium ions compare to the concentration of hydroxide ions?
[Hydronium ion] is greater than [hydroxide ion].
There is not enough information to tell.
They are equal.
[Hydronium ion] is less than [hydroxide ion].
A.[Hydronium ion] is greater than [hydroxide ion].
B.There is not enough information to tell.
C.They are equal.
D.[Hydronium ion] is less than [hydroxide ion].
Explanation / Answer
1. (C.) H3PO4 conjugate acid and base will have difference of only one proton (H).
2. (B.) PO4-3 similar explaination.
3. (A.) [Hydronium ion] is greater than [hydroxide ion].
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.