H2SO4 tarkibidagi sigma va Pe bog'lar sonini toping., 6:2, 5:6, 3:5, 10:3, 6,2g H2CO3 ning modda miqdorini toping, 0,1, 2, 04, 0,02, H2+O2=H2O reaksiyasidagi koeffitsiyentlar yig'indisini toping, 5, 4, 3, 6, HNO3 tarkibidagi elemint atomlarning oksidlanish darajasini ketma-ketlikda yozing., +1,+5,-2, +2,+4,-3, +1,+7,-2, +5,-2,+1, Asosli oksidlarni toping, Na2O, CaO,MgO, SO2,BaO, K2O, K2O,CO, SO, SO,K2O,Na2O, H2CO3 ning Mr toping, 62, 56, 63, 70, 0,1 mol NaOH ning massasini toping, 4, 40, 0,4, 20, Na elemintida nechta tulgan pog'na va pog'onacha bor, 1:3, 2:4, 1:6, 3:6, Almashinish reaksiyasini toping, HCl+NaOH=, Na+H2SO4=, H2+O2=, H2O, H2SO4 tarkibidagi oltigugurt elemintining gibridlanishini toping., sp3, sp2, sp, sp3d
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