dosage base faible acide fort

[@bjoh5060]

Merci

[@fassarly-2787]

بالتوفيق

[@KhazriSchool]

merci

[@emnafrn1187]

mr braby dilution matbadel chey kif nabdou fl equivalence ??

[@KhazriSchool]

Eeq reste le meme

[@aymenfridhi4253]

NH3 mouch gaz mr kifeh yet7at bellahi

[@rawnak-163]

Y5a nh3 mch base faible ma3netha normalement 2 fleche? Et merci ❤

[@melekkab05]

Eq mta3 ay dosage dima bfleche wehed

[@melekkab05]

Eq mta3 ay dosage dima bfleche wehed