Объяснение:
M(H2S)=2•1+32=34
w(S)=32×100%÷34=94.12%
M(H2SO4)=2•1+32+4•16=98
w(S)=32×100%÷98=32.65%
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Объяснение:
M(H2S)=2•1+32=34
w(S)=32×100%÷34=94.12%
M(H2SO4)=2•1+32+4•16=98
w(S)=32×100%÷98=32.65%