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mS = 32u
mO3 = 48u
mS\mO3 = 32u\48u = 2:3
Odp: Stosunek masowy w tlenku siarki(IV) wynosi 2:3
Ms =32u
Ms O=16*3=48u
s:o
32u:48u
2:3
Stosunek wynosi 2:3
Pozdrawiam ;}