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Chemistry, 22.04.2021 08:30 dansuba

Reacționează 40g HCl de concentrație 36,5% cu 20g soluție hidroxid de calciu de concentrație 37%(Se dau masele atomice H=1;Cl=35,5;Ca=40;O=16).Substanța în exces este:

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Reacționează 40g HCl de concentrație 36,5% cu 20g soluție hidroxid de calciu de concentrație 37%(Se...

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