Cov kua qaub puas muaj pH siab?
Cov kua qaub puas muaj pH siab?

Video: Cov kua qaub puas muaj pH siab?

Video: Cov kua qaub puas muaj pH siab?
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Txhua yam nrog qis heev pH yog acidic, thaum tshuaj nrog a siab pH yog alkaline. Nrog rau qhov ntawd hauv siab, lub pH scale ua kom muaj kev nkag siab ntau dua li kev ntsuas ntawm acidity. Acids muaj ob peb lub ntsiab lus sib txawv, tab sis tag nrho lawv yog cov khoom uas ua tau tsim hydrogen ions thaum nyob rau hauv ib tug tov.

Yog li ntawd, yog acid qis los yog siab pH?

Siab concentrations ntawm hydrogen ions yield a pH qis ( acidic tshuaj), hos qib qis ntawm hydrogen ions ua rau a siab pH (cov khoom siv hauv paus). Nws tsis yog acidic tsis yooj yim, thiab muaj a pH ua 7.0. Txhua yam hauv qab 7.0 (xws li 0.0 txog 6.9) yog acidic , thiab txhua yam saum toj no 7.0 (los ntawm 7.1 txog 14.0) yog alkaline.

pH ntawm cov kua qaub yog dab tsi? Cov pH scale ntsuas seb acidic los yog ib qho yooj yim cov khoom. Cov pH scale li ntawm 0 mus rau 14. A pH ntawm 7 yog nruab nrab. A pH tsawg dua 7 yog acidic.

Yog li ntawd, cov kua qaub muaj zog puas muaj pH siab?

Muaj zog Acids Feem ntau, a muaj zog acid ib pH ntawm zero rau 3. Txawm li cas los, vim pH ntsuas tus nqi ntawm hydrogen ions tso tawm hauv ib qho kev daws teeb meem, txawm tias ntau heev muaj zog acid tuaj yeem muaj pH siab nyeem yog tias nws cov concentration yog dilute heev. Piv txwv li, 0.0000001 molar HCl tov muaj ib pH ua 6,79.

Vim li cas cov hauv paus muaj pH siab?

Cov kua qaub yog Cov khoom uas muab hydrogen ions (H+) thiab qis dua pH , hos hauv paus muab hydroxide ions (OH) thiab tsa pH . Qhov muaj zog cov kua qaub, qhov yooj yim dua nws pub H+.

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