Te tātaitai pH
Ka tahuri i waenganui i te [H⁺], pH, pOH me te [OH−] me te whakarārangi i te waikawa.
Ka whakahōutia ngā hua i te wā e tātuhi ana.
Mo tēnei tātaitai
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Ko nga pātai e pā ana
He aha te tātai pH?
Ko te pH te taupū kōaro tōraro o te pūtake-10 o te whakatōpū hauwai-ion, pH = −log10[H⁺]. Ko te whakatōpūtanga o te 1×10⁻⁷ mol/L e tuku ana i tētahi pH ā-kore o te 7.
He pēhea te pātahitanga o te pH me te pOH?
I te 25 °C, pH + pOH = 14. Nā reira he rongoā o pH 3 he pOH 11, ā, ko tōna whakatōpū hāora ko [OH−] = 10−1 mol/L.
He aha te tikanga o te tauine pH?
I raro i te 7 he waikawa, ko te 7 he mārō, ā, i runga ake i te 7 he pūtake (pūtake). Ko te tauine e rere ana i te 0–14, ahakoa he āhua kaha rawa ngā waikawa, pūtake rānei ka āhua iti iho i waho. Ka whakawātea te tātaitai i tōna uara hei waikawa, mārō, pūtake rānei.
He aha te pH taupū kōaro?
He maha ngā raupapa o te rahi o ngā whakatōpū hauwai-iona, nō reira ka mau te tauine taupū ki te whakahaere i ngā tau, he tauwhāiti te rerekētanga o ia wae: e tekau ngā wā he waikawa ake te pH 4 i te pH 5 me te rau ngā wā i te pH 6.
He pēhea te kimi i a au i te [H⁺] mai i tētahi uara pH?
Ka whakarerekētia te whakamāramatanga: [H⁺] = 10^(−pH). Ko te pH o te 3 e tuku ana i te [H⁺] = 10⁻³ = 0.001 mol/L. Ka kōwhiria te āhuatanga "mai i tētahi uara pH" ā, ka hoki te tātaitai ki te whakatōpūtanga mō koe.
He rerekē te pH me te wera?
He. Ko te pito ā-kore o te 7 me te ture pH + pOH = 14 e pupuri ana i te 25 °C; i ngā pāmahana tiketike ake ka nui ake te wai, kia iti iho ai te pH ā-kore i raro i te 7, ā, ka iti iho te tapeke. Ka whakamahia e tēnei utauta ngā uara paerewa o te 25 °C.
API — whakamahi tēnei tātaitai mai i te waehere
E kī ana tēnei tātaitai hei wāhi mutunga kore JSON - kāore he kī e hiahiatia ana. Ka tukuna ngā uara āpure i raro nei hei tohutoro pātai, JSON rānei. Ka pānui te papatono API katoa →
Whakamutunga
GET https://calculator.free/api/v1/ph/curl
curl "https://calculator.free/api/v1/ph/?mode=conc&conc=1e-07&phval=7"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/ph/?" + new URLSearchParams({
"mode": "conc",
"conc": "0.0000001",
"phval": "7"
}));
const data = await r.json();
console.log(data.results);Ko ngā hua he whakataunga mō te tohutohu ahuwhānui anake, ehara i te tohutohu moni, rongoā, tāke rānei.