сколько граммов 60% уксусной кислоты можно получить из 8,2 г ацетата натрия взаи...

August 2022 1 10 Report

сколько граммов 60% уксусной кислоты можно получить из 8,2 г ацетата натрия взаимодействием с концентрированной серной кислотой, если выход уксусной кислоты составляет 60% от теоретического.

Answers & Comments

dasshtrudel

Ответ:

6 граммов

Объяснение:

2СH3COONa+H2SO4=2CH3COOH + Na2SO4

n(СH3COOH)=n(CH3COONa)*0.6 - учет выхода

n(CH3COONa)=8.2/82=0.1 моль

m(CH3COOH)=0,1*0,6*60=3,6 грамма

m(CH3COOH 60%)=3.6/0.6=6 граммов

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Put the verb in brackets into Past Simple or Past Continuous. 1. She _______(take) a shower when the telephone _ (ring). 2.

choose can cant may must mustnt dont have to should 1 i play the guitar but i sing 2

put the verb in brackets into the appropriate form expressing future future simple present continuous going to present simple 1 im thirsty hold

put the verb in brackets into present simple or present continuous 1 my family live in a small flat but well buy

prichiny razmyva beregov morya i poyasnenie

srochnooorasschitajte massovuyu dolyu karbonata natriya v rastvore v 500 ml vody ra

pochemu u odnih ptic raznocvetnye yajcaa u drugih yajca belye

raznica i obshee mezhdu aistom i popugaem pomogite pzh

pomogite pervaya palochka na 1 sm dlinneechem vtoraya palochka tretya palochka na 4

pomogite zadanie pod bukvoj v

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Put the verb in brackets into Past Simple or Past Continuous. 1. She ___________________(take) a shower when the telephone _____________ (ring). 2.

choose can cant may must mustnt dont have to should 1 i play the guitar but i sing 2

put the verb in brackets into the appropriate form expressing future future simple present continuous going to present simple 1 im thirsty hold

put the verb in brackets into present simple or present continuous 1 my family live in a small flat but well buy

prichiny razmyva beregov morya i poyasnenie

srochnooorasschitajte massovuyu dolyu karbonata natriya v rastvore v 500 ml vody ra

pochemu u odnih ptic raznocvetnye yajcaa u drugih yajca belye

raznica i obshee mezhdu aistom i popugaem pomogite pzh

pomogite pervaya palochka na 1 sm dlinneechem vtoraya palochka tretya palochka na 4

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