Oblicz masy cząsteczkowe :
Ba(OH)² Pb³(BO4)²
ZAD 2 oblicz wartość indeksu stechiometrycznego (x) w cząstcze
Na20x (tu ta cyferka musi byc ) jeśli mNa2Ox = 62 u
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Ba(OH)²=56+16*2+1*2=56+32+2=90U