Ag2O---2 atomy srebra, 1 atom tlenu-------mAg2O=2*108u+16u=232uFe2S3---2 atomy żelaza, 3 atomy siarki-----mFe2S3=2*56u+3*32u=208uK2SO3--2 atomy potasu, 1 atom siarki, 3 atomy tlenu-----mK2SO3=2*39u+32u+3*16u=158u
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Ag2O---2 atomy srebra, 1 atom tlenu-------mAg2O=2*108u+16u=232u
Fe2S3---2 atomy żelaza, 3 atomy siarki-----mFe2S3=2*56u+3*32u=208u
K2SO3--2 atomy potasu, 1 atom siarki, 3 atomy tlenu-----mK2SO3=2*39u+32u+3*16u=158u