Video: Puas yog pH 11 yog acid ib puag ncig lossis nruab nrab?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
A pH o7 yog nruab nrab . A pH tsawg dua 7 acidic . A pH ntau dua 7 yog yooj yim . Cov pH scale yog logarithmic thiab yog li ntawd, txhua tag nrho pH tus nqi qis dua 7 yog kaum npaug ntau dua acidic tshaj tus nqi siab dua tom ntej.
Kuj nug, dab tsi yog pH ntawm lub hauv paus?
Cov pH Qhov ntsuas feem ntau tau hais los ntawm 0 txog 14, thiab feem ntau cov kev daws teeb meem poob hauv qhov ntau, txawm tias nws muaj peev xwm tau txais pH qis dua 0 lossis siab dua 14. Txhua yam hauv qab 7.0 yog acidic, thiab txhua yam saum toj no 7.0 yog alkaline, lossis yooj yim.
Qhov thib ob, pH ntawm 11 yog dab tsi?
| Tus nqi pH | H+ Concentration txheeb ze rau dej ntshiab | Piv txwv |
|---|---|---|
| 11 | 0.000 1 | tshuaj ammonia |
| 12 | 0.000 01 | soapy dej |
| 13 | 0.000 001 | tshuaj dawb, qhov cub ntxuav |
| 14 | 0.000 000 1 | kua dej huv |
Tsis tas li ntawd, lub hauv paus puas nce pH?
Acids yog cov khoom uas muab hydrogen ions (H+) thiab qis dua pH , hos hauv paus muab hydroxide ions (OH–) thiab nce pH . Qhov muaj zog cov kua qaub, qhov yooj yim dua nws pub H+.
Dab tsi yog pH hauv acid thiab base?
Cov pH scale (ESCPC) Ib kua qaub nce cov hydrogen ion concentration nyob rau hauv ib tug tov, thaum a puag txo cov hydrogen ion concentration. Solutions nrog a pH tsawg dua xya yog acidic , hos cov nrog a pH ntau tshaj xya yog qhov yooj yim (alkaline).
Pom zoo:
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