Ответ:36
Объяснение:
2NaOH+H2SO4--->Na2SO4+2H2O
Mr(2NaOH)=80
Mr(2H2O)=36
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Ответ:36
Объяснение:
2NaOH+H2SO4--->Na2SO4+2H2O
Mr(2NaOH)=80
Mr(2H2O)=36