pH Calculator
pH, pOH aur ion concentration ke beech convert kariye, aur weak acid, weak base ya buffer ka pH nikaaliye.
pH Calculator poori tarah aapke browser mein chalta hai. Concentrations aur constants sirf aapke device par calculation ke kaam aate hain.
Molarity Calculator kholein
pH Calculator ke baare mein
pH Calculator teen modes mein kaam karta hai. Pehla pH, pOH, hydrogen ion concentration aur hydroxide concentration ke beech aazaadi se badalta hai — koi ek dijiye, baaki teen nikal aate hain, kyunki pH hydrogen concentration ka negative base-10 logarithm hai aur 25 °C par pH plus pOH 14 hota hai. Doosra weak acids aur bases sambhalta hai, jahan akeli concentration kaafi nahin kyunki dissociation adhoori hoti hai: Ka ya Kb aur molar concentration dijiye, square-root approximation pH de deta hai — 5% se zyada dissociation par warning ke saath, jahan approximation tootne lagti hai. Teesra buffers par Henderson-Hasselbalch equation lagata hai.
Features
- pH, pOH aur dono ion concentrations ke beech aazaad conversion
- Ka ya Kb aur concentration se weak acid/base ka pH
- Henderson-Hasselbalch equation se buffer pH
- 5% se zyada dissociation par approximation flag
- Daale gaye constant ke saath pKa aur pKb
- 1.8e-5 jaisi scientific notation chalti hai
pH Calculator kaise use karein
- Mode chuniye: conversion, weak acid ya base, ya buffer
- Jo value pata hai daaliye — pH, concentration, ya constant plus concentration
- pH ke saath pOH aur dono ion concentrations padhiye
- Dilute weak acid ke saath dissociation warning dekhte rahiye
Example
Input
0.1 M acetic acid, Ka = 1.8e-5
Output
pH 2.87 · pOH 11.13 · [H+] 1.34e-3 M · 1.3% dissociated
Weak acid usi concentration ke strong acid se kahin kam acidic hai, jo pH 1 deta.
Common errors aur troubleshooting
- Weak acid ka pH zyada lag raha hai. — Weak acid ka matlab hi yahi hai — wo adhoora dissociate hota hai. 0.1 M acetic acid pH 2.87 deta hai jabki 0.1 M hydrochloric acid pH 1 — hydrogen ion concentration mein lagbhag sau guna fark.
- Approximation ki warning aa rahi hai. — Square-root formula maanta hai ki dissociation shuruaati concentration ke saamne chhoti hai. 5% ke neeche wo sateek hai; oopar poori quadratic chahiye, to result ko ishaara maniye.
- Calculator 14 se oopar ya 0 se neeche pH de raha hai. — Concentrated solutions ke liye ye jaayaz hai aur jaan-boojh kar clamp nahin hota — is definition par 10 M hydrochloric acid ka pH sach mein negative hota hai.
Aksar pooche jaane wale sawaal
- pH asal mein kya naapta hai?
- Hydrogen ion concentration (mole per litre) ka negative base-10 logarithm. Logarithmic hone se har poori unit das guna badlav hai — pH 4 mein pH 6 se sau guna hydrogen ion concentration hoti hai.
- pH aur pOH kaise jude hain?
- 25 °C par dono ka jod hamesha 14 hota hai, kyunki paani ka ion product hydrogen aur hydroxide concentrations ka rishta fix karta hai. pH 3 waale solution ka pOH 11 hoga. Doosre temperatures par constant thoda khisakta hai.
- Weak acid ka pH kaise nikaalun?
- Ka ko concentration se guna karke square root lijiye — wahi hydrogen ion concentration hai — phir uska negative logarithm. Approximation tab tak chalti hai jab tak dissociation lagbhag 5% se neeche rahe.
- Kya meri concentrations ya constants transmit hote hain?
- Nahin. Har logarithm aur equilibrium calculation aapke browser mein chalta hai, aur aapka type kiya kuchh bhi kahin nahin jaata.
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