Предмет: Химия, автор: annamorgunenko2006

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Автор ответа: OSKOLtRAIN
1

Ответ:

Объяснение:

HCOOH + C2H5OH (t/H2SO4) = HCOOC2H5 + H2O

Так как даны две величины, нужно понять по какой вести расчёт.

n(C2H2O2)=m/M=23/46=0.5

n(C2H5OH)=m/M=46/46=1

Так как муравьиная кислота в недостатке, расчёт будем вести по ней:

n(эфира)=n(кислоты)=0.5

m(HCOOC2H5)=n*M=0.5*74=37 грамм.

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