Help, please?
2020-07-07 9:20 am
In your lab you mix equal volumes of a pH 1.0 solution and a pH 13.0solution. What will the final pH be?A. Near 12.0B. 13.0C. 7.0D. Between 13.0 and 14.0
回答 (1)
2020-07-07 10:10 am
pH =1 = -log[H+] => [H3O+] =0.1M
pH=13 => pOH =14-pH=14-13=1
pOH=-log[OH-] =1=> [OH-] =0.1M
H+ + OH- => H2O
0.1M 0.1M
==> H forms a neutral solution water molecules having a pH = 7=> neutral
Allacids neutralizes all base present .
Answer is 7
pH=13 => pOH =14-pH=14-13=1
pOH=-log[OH-] =1=> [OH-] =0.1M
H+ + OH- => H2O
0.1M 0.1M
==> H forms a neutral solution water molecules having a pH = 7=> neutral
Allacids neutralizes all base present .
Answer is 7
收錄日期: 2021-04-24 07:56:06
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