Tin(IV) fluoride yog cov tshuaj sib xyaw ntawm cov tin thiab fluorine nrog cov tshuaj formula SnF₄ thiab yog cov khoom dawb nrog lub melting point saum 700 ° C. SnF₄ tuaj yeem npaj los ntawm cov tshuaj tiv thaiv ntawm tin hlau …
Koj sau sodium fluoride li cas?
Formula thiab qauv: Cov tshuaj formula ntawm sodium fluoride yog NaF thiab nws cov molar mass yog 41.99 g / mol.
Koj sau tshuaj fluoride li cas?
Muaj cov tshuaj formula ntawm F−, fluoride ion yog qhov yooj yim tshaj plaws inorganic, monatomic anion ntawm fluorine nrog cov yam ntxwv yooj yim. Nws raug suav hais tias yog ib qho kab mob. Fluoride ions muaj nyob rau hauv ntau yam minerals tab sis tsuas muaj nyob rau hauv ib tug kab nyob rau hauv dej.
Puas yog sodium fluoride acidic lossis yooj yim?
NaF yog ib qho basic ntsev muaj pH tus nqi ntau tshaj 7, ua los ntawm cov neutralization ntawm lub hauv paus muaj zog (NaOH) nrog ib tug qaug zog acid (HF). Cov tshuaj aqueous ntawm sodium fluoride (NaF) yog qhov yooj yim vim muaj ntau cov hydroxide ions tsim los ntawm hydrolysis ntawm fluoride ions (F– + H 2 O → HF + OH–).
Vim li cas sodium fluoride siv hauv tshuaj txhuam hniav?
Sodium fluoride ua rau cov hniav tiv taus ntau dua rau kev lwj thiab kab mob uas ua rau kab noj hniav. Cov tshuaj no yog siv los tiv thaiv kab mob.
