@Neokimyo telegram kanali va @neokimyo_FKF telegram guruhi uchun maxsus masalalarga yechimlar.
Savol yo’llagan: Nodirbek
0,1 M natriy sulfit eritmasining pH qiymatini aniqlang? Sulfit kislotaning dissotsiatsiyalanish konstantasi birinchi bosqichda k1 = 1,7•10^–2, ikkinchi bosqichda k2 = 6,2•10^–8.
✅A) 10,1 B) 6,89 C) 3,9 D) 7,11
@Neokimyo telegram kanali va @neokimyo_FKF telegram guruhi uchun maxsus masalalarga yechimlar.
Savol yo’llagan: X.Y.Z.J.T
Kalsiydan yasalgan shar (r = 2 sm) 5 sekund (s) davomida suvga botirib olinganda, radiusi 1,5 marta kamaygan bo’lsa, reaksiya tezligi (g/s) ni aniqlang? ρ(Ca) = 1,55 g/sm3, π = 3,14.
✅A) 7,3 B) 10,24 C) 9,1 D) 2,5
Yechim va izoh (lar) muallifi, kimyo fani repetitori: Fazliddinov Kamoliddin Fazliddinovich.
Savol yo’llagan: Nodirbek
0,1 M natriy sulfit eritmasining pH qiymatini aniqlang? Sulfit kislotaning dissotsiatsiyalanish konstantasi birinchi bosqichda k1 = 1,7•10^–2, ikkinchi bosqichda k2 = 6,2•10^–8.
✅A) 10,1 B) 6,89 C) 3,9 D) 7,11
@Neokimyo telegram kanali va @neokimyo_FKF telegram guruhi uchun maxsus masalalarga yechimlar.
Savol yo’llagan: X.Y.Z.J.T
Kalsiydan yasalgan shar (r = 2 sm) 5 sekund (s) davomida suvga botirib olinganda, radiusi 1,5 marta kamaygan bo’lsa, reaksiya tezligi (g/s) ni aniqlang? ρ(Ca) = 1,55 g/sm3, π = 3,14.
✅A) 7,3 B) 10,24 C) 9,1 D) 2,5
Yechim va izoh (lar) muallifi, kimyo fani repetitori: Fazliddinov Kamoliddin Fazliddinovich.