Koj pom li cas pH ntawm litmus ntawv?
Koj pom li cas pH ntawm litmus ntawv?

Video: Koj pom li cas pH ntawm litmus ntawv?

Video: Koj pom li cas pH ntawm litmus ntawv?
Video: Leej muam pob tw loj_phees lauj newsong full Mv 2024, Kaum ib hlis
Anonim

Cov litmus test yog ua los ntawm kev tso ib qho me me ntawm cov qauv mus rau cov xim ntawv . Feem ntau, litmuspaper yog liab los yog xiav. Liab ntawv tig xiav thaum pH yog alkaline, thaum xiav ntawv tig liab thaum pH hloov acidic.

Yog li, koj yuav nrhiav pH ntawm daim ntawv pH li cas?

Kev ntsuas nrog pH ntawv Nrhiav tus pH ntawm ib yam khoom siv pHpaper . Dip qhov kawg ntawm pH strip rau hauv cov tshuaj lom neeg uas koj xav tau xeem . Tom qab ob peb feeb, tshem tawm cov ntawv thiab sib piv cov xim ntawm cov pH strip mus rau daim duab xim muab nrog rau pH ntawv kit.

Tsis tas li ntawd, koj yuav txiav txim siab pH ntawm ib yam khoom li cas? Rau xam pH ntawm cov kua dej aqueous koj yuav tsum paub qhov concentration ntawm hydronium ion hauv moles perliter (molarity). Cov pH Tom qab ntawd suav nrog cov lus qhia: pH = - log[H3O+].

Ib sab saum toj no, peb yuav tau litmus daim ntawv nyob qhov twg?

Daim ntawv Litmus Txhais Litmus ntawv yog lim ntawv uas tau kho nrog lub ntuj dej-soluble dye tau los ntawm lichens.

Daim ntawv tag nrho ntawm pH yog dab tsi?

PH stands rau Potential ntawm Hydrogen. Nws hais txog hydrogen ion concentration hauv cov tshuaj. Nws yog qhov ntsuas ntawm acidity los yog alkalinity ntawm kev daws. Cov PH tus nqi ranges ntawm 0 mus rau 14 ntawm a pH nplai.

Pom zoo: