elektroliz mavzusiga doir masalalar

слайд 1 tayyorladi: sirdaryo viloyati boyovut tumani 37 – umumta’lim maktabining kimyo fani o’qituvchisi g’ozibekova matluba davronovna 11 – sinf kimyo elektroliz mavzusiga doir masalalar yechish. “kim kuchli, kim chaqqon” o’yini “kim kuchli, kim chaqqon” koh bao mncl2 na2o al2o3 naoh hcl co2 sio2 no agcl o’yin shu tariqa davom etadi. * masala : 250 g 8,94 % li kcl eritmasidan 3 a tok kuchi 9650 sekund davomida o’tkazilganda hosil bo’lgan eritmaning foiz konsentratsiyasining ( % ) toping. yechish: 2h2o + 2kcl  h2↑ + cl2↑ + koh k a v dastlabki eritmaning topish: dastlab 250 g eritmadagi kcl ning massasini topib olamiz: 250 -------------- 100% x -----------------8.96% kcl 250 * 8.96 x = -------------------- = 22.35g kcl 100 kcl …

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