SolutionHard
Question
Which of the following mixture of solutions has pH = 1.0 ?
Options
A.100 mL
HCl + 100 mL
NaOH
B.55 mL
HCl + 45 mL
NaOH
C.10 mL
HCl + 90 mL
NaOH
D.75 mL
HCl + 25 mL
NaOH
Solution
HCl + NaOH → NaCl + H2O
M1V1 M2V2
(A) 10 10 Complete neutralization
pH = 7
(B) 5.5 4.5 [H+] =
pH = 2
(C) 1 9 [OH-] =
pH = 12.9
(D) 15 5 [H+] =
pH = 1
M1V1 M2V2
(A) 10 10 Complete neutralization
pH = 7
(B) 5.5 4.5 [H+] =
pH = 2
(C) 1 9 [OH-] =
pH = 12.9
(D) 15 5 [H+] =
pH = 1
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