У хім, склянку налили гідроген пероксид, масою 200г, додали каталізатор. Після з...

August 2022 1 5 Report

У хім, склянку налили гідроген пероксид, масою 200г, додали каталізатор. Після закінчення реакції в склянці залишилась вода масою 188г. Яка маса виділившегося кисню?
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Answers & Comments

valeri23091985

Ответ:

m(H2O2) =200Г

m(H2O)=188г

m(O2)= ?

m(O2)= H2O2-H2O= 200-188

O2= 12г

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Answer

sooonyaaa08 July 2023 | 0 Ответы

Answers & Comments

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