Mr(Ag2S) = 108*2 + 32 =248
W(Ag) = Ar(Ag) *n / Mr(Ag2S) *100% = 108 *2 / 248 *100% = 87%
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Verified answer
M(Ag2S)=108*2+32=248 g/molW(S)=32/248*100%=12.9%
ответ 12.9%
Verified answer
Mr(Ag2S) = 108*2 + 32 =248
W(Ag) = Ar(Ag) *n / Mr(Ag2S) *100% = 108 *2 / 248 *100% = 87%