pH Sensar
Huko ndiko kuainisha asidi kati ya [H+], pH, pH na [OHO].
Matokeo yanakuwa bora zaidi unapochapa.
Kuhusu kifaa hiki cha kupigia hesabu
The pH scale measures how acidic or basic a solution is, defined as the negative base-10 logarithm of the hydrogen-ion concentration: pH = −log₁₀[H⁺], where [H⁺] is in moles per litre. Because it is logarithmic, each whole pH unit is a tenfold change in acidity — a pH 4 solution has ten times the [H⁺] of pH 5 and a hundred times that of pH 6. The scale runs from strongly acidic near 0, through neutral at 7, to strongly basic near 14. This calculator converts a concentration to pH, a pH back to concentration, or starts from pOH.
As a worked example, pure water has [H⁺] = 1 × 10⁻⁷ mol/L, so pH = −log₁₀(10⁻⁷) = 7, which is neutral. A solution with [H⁺] = 10⁻³ mol/L has pH 3 and is acidic; one with pH 11 is strongly basic. The tool also returns pOH and the hydroxide concentration [OH⁻], using the water relationship pH + pOH = 14 at 25 °C — so pH 3 implies pOH 11 and [OH⁻] = 10⁻¹¹ mol/L — and labels the result acidic, neutral or basic.
pH governs a huge range of everyday and industrial processes: the safety of drinking water and swimming pools, soil conditions for gardening, food preservation and brewing, the action of enzymes in the body (blood is tightly held near pH 7.4), and countless chemistry and biology experiments. Note that the 14-point span and the pH + pOH = 14 rule are specific to 25 °C; at other temperatures the neutral point and the sum shift slightly because water’s self-ionisation changes.
Maswali yaliyoulizwa mara nyingi
Kanuni ya pH ni nini?
pH is the negative base-10 logarithm of the hydrogen-ion concentration, pH = −log₁₀[H⁺]. A concentration of 1×10⁻⁷ mol/L gives a neutral pH of 7.
PH na LOH zinahusianaje?
Katika 25 °C, pH + poOH = 14. Kwa hiyo suluhisho la pH 3 lina pOH 11, na maji yake ya hidraksoksaidi ni [OHOHO) = 10-011 mol/L.
Kipande hicho cha pH kinamaanisha nini?
Below 7 is acidic, exactly 7 is neutral, and above 7 is basic (alkaline). The scale usually runs 0–14, though very strong acids or bases can fall slightly outside it. The calculator classifies your value as acidic, neutral or basic.
Kwa nini rishirethmic ni kifasihi?
Hydrogen-ion concentrations span many orders of magnitude, so a log scale keeps the numbers manageable. Each unit is a tenfold change: pH 4 is ten times more acidic than pH 5 and a hundred times more than pH 6.
Ninapataje [H+] kutokana na thamani ya pH?
Invert the definition: [H⁺] = 10^(−pH). A pH of 3 gives [H⁺] = 10⁻³ = 0.001 mol/L. Choose "from a pH value" mode and the calculator returns the concentration for you.
Je, pH hubadilika kwa halijoto?
Ndiyo. kiwango cha kutokuwemo cha 7 na pH + pOH = utawala 14 ni wa digrii 25 Selsiasi; kwenye halijoto za juu zaidi maji hububujika zaidi, kwa hiyo pH haiungi mkono upande wowote hushuka chini ya 7 na jumla huanguka kidogo.
API bustanini hutumia kifaa hiki cha hesabu kutoka kwenye mfumo wa sheria
Ipigie simu kifaa hiki cha kupigia hesabu kama Junse É not doot toder. Chochote unachoacha kinatumia kiwango kilekile cha mwisho ambacho ukurasa huu haujakamilika; parameta isiyojulikana ni 400, si sufuri kimya kamwe. Soma habari kamili za API docs →
keyboard label
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);Matokeo ni makadirio ya mwongozo wa ujumla, si wa kifedha, wa kitiba au wa kodi tu.