pH＝11とは［H+］＝10∧-11mol/Lですよね
水が足された分、［OH-］の濃度が1/10倍になりますので、［H+］は10倍になります。(水のイオン積いつでも一定だから)なので、新たな状態では
［H+］＝10∧-11mol/L×10＝10∧-10mol/L
ですのでpH＝10となるわけです
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
![[A]とか[B]とかの中は、ただの濃度なのか、モル濃度なのか、どういうことですか？ - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1807217/thumb_l_webp_CBECFC68-D2B8-47DD-84E1-85C55D3A3338.webp?Expires=1782552539&Signature=TaV0kAk6t7ih~xBDXP2YjdNWNkU~3styryEuNyqQ2vNz-d6xS6YZhh9Q7RLr6~mOpuEW29lAlCLgwM6lxO5S~2P9DF27NBmyukKhva349D70trxgFibUDBQ0Bxp4HUi4TljSCce5nF2EDQOP~JIrHh7vanDpJHNSDqH0M0AyiPvyqv7xf7oXea1zRzIUZY~0aTg8jLdulDOpQ1mcM1a0Dz3Hd54JoP3GfzcwD8j0oKoHvfAIWTlnn4qmN46j2DMwPQbfk8nT~Z9CLehOpkuE~aGPRxvXnC9ZDJKeJnjK8JG7QjmAPb7W1kyIEOMFbFwiqwLWpX0TcO3gyMVhYBfCHA__&Key-Pair-Id=K2W722D70GJS8W&Expires=1782552539&Signature=pkjdaJo7wykV5TJ5G8BaLC6CmlfepGWEBtuoSe4f8E37vIQL5JqfT2GYAQn1HjeUalNryVgJoitGIUKKMYQElGcXUdr25I2F2d84Dyyjif8dJ7sG~CWSkFtUV3i0IhiwK~0Ky9yk8vdngubb9Mx26GgasLEVTF3JlfodjVegyBJRNFLaY5YSPnj5I13DtUNcHyD9YLhW2qzrCt9fH5jwtbJjujphRmIMQxQVjicCxcEioUVWl2mRgh~5tLg8wIj60GuZcvH-DiZcfOouOJ0uo6vK1JRwnBvKsuxm5eA1S3UL~CyVWXcwCLtH1qIjCxYqULnN~qFCD1vmdskiM77X2w__&Key-Pair-Id=K2W722D70GJS8W)
![[A]とか[B]とかの中は、ただの濃度なのか、モル濃度なのか、どういうことですか？ - 2](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1807218/thumb_l_webp_7F53C732-8344-4487-9454-FE94564380D2.webp?Expires=1782552539&Signature=AyF4fKzMCiK4EMnBJMIrZeGcQrgNIsRuYWabqncMSG~xDlrbhvGBBcdZ~LvD5FzOh41h11Uddj79-nX7XnhoJr7yb4GaDh5w3ZCWrxPyLJQJltSZQoSdQGI0h6MMNZTDqt-T0qCGAL~L~7wefVkFtrRv96tLU~jEFG1swobG4UvLNlK2UQkJ5cNqwzdI6y86XBrcdMyTWkikW0mXpO0hB9XTeyrH-z5ixxP-GsZwS8eRt45pAOxAYfeAWbcAiOQINpZMDTNQC9ag24pxsVEzyAmGs-rj2uALCFVHwr1AXC~XokE2NGPUpMh8S7iMxdpNxwGmpFdCphzf5YM8GEUldQ__&Key-Pair-Id=K2W722D70GJS8W&Expires=1782552539&Signature=BbzjKblWNuzVrniZkdFw9n~qDs6HDxov-FQnHZQg9ty9pgfL1AGUU08CwmIAg4Vqy-BWEeFoYUqvadiB4iz5v80vvP~8ZL2Y3OR7TE8V1mFqzmF4XUfUUspgeE815~YfFNddjqJoMH4AHJnMhiq2VYAfLlsrvjz-CbvT8B-KU~RbTlLc0yUHLY546OMYjO1k4Gkl0aELvNy97NXRvaxr3TvN~zwqiLCyUq89ti4oE0qjc~lvVBsGMh47QOciFnJOgRUm3AzmRkTd71d737HWp8A4C5~9BDse-mgzEAuvlsrOEcE7O8gE75HpI8GZOj2eCezkcqOLvZmYbfKkMjYQ~g__&Key-Pair-Id=K2W722D70GJS8W)
