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макс3295
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December 2021
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10. Вычислить относительную молекулярную массу Н2SO4:
1) 142 2) 98 3) 35 4) 108
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dima6klon
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M(H2SO4)=2*Ar(H)+Ar(S)+4*Ar(O)=2*1+32+4*16=98 г/моль.
Ответ: 2.
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M(H2SO4)=2*Ar(H)+Ar(S)+4*Ar(O)=2*1+32+4*16=98 г/моль.Ответ: 2.