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M czasteczkowa K2O = 94u
M czasteczkowa KOH = 2 * 56u = 112u
x tlenku potasu - 160g wodorotlenku potasu
94u tlenku potasu - 112u wodorotlenku potasu
x=134,29g
K2O+H2O--->2KOH
xg 160g
94u---112u
xg---160g
x=94u*160g/112u
x=134,29 g