oblicz ile to moli 80 g CuSo4( siarczan miedzi)??
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oblicz ile to moli 80 g CuSo4( siarczan miedzi)??
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1. Masa atomowa CuSO4
Cu=63.5u
S=32u
O=16u
CuSO4=63.5+32+4*16=159.5u => masa molowa CuSO4=159.5g
2. liczba moli w 80g
80/159.5= okolo 0.5mola
M CuSO4 = 160g/mol
160g CuSO4----1mol
80g CuSO4-------xmoli
x = 0,5mola