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Which solution is the most acidic?


A) 3 × 10−4 M H+
B) 5 × 10−5 M H+
C) 6 × 10−3 M H+
D) 1 × 10−6 M H+
E) 5 × 10−2 M H+

F) A) and E)
G) A) and B)

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Which pair of substances could form a buffered aqueous solution?


A) HCl, NaCl
B) HNO3, NaNO3
C) H3PO4, NaH2PO4
D) H2SO4, CH3COOH
E) NH3, NaOH

F) B) and E)
G) A) and C)

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What is the pH of a 0.050 M LiOH solution?


A) 1.30
B) 3.00
C) 11.00
D) 12.39
E) 12.70

F) B) and D)
G) C) and E)

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What is the pH of a 0.014 M Ca(OH) 2 solution?


A) 1.85
B) 1.55
C) 12.15
D) 12.45
E) 15.85

F) A) and B)
G) C) and E)

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Automobile batteries use 3.0 M H2SO4 as an electrolyte.How much 1.20 M NaOH will be needed to neutralize 225 mL of battery acid? H2SO4(aq) + 2NaOH(aq) → 2H2O(l) + Na2SO4(aq)


A) 0.045 L
B) 0.28 L
C) 0.56 L
D) 0.90 L
E) 1.1 L

F) All of the above
G) C) and D)

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