Question

Определите эквивалентную массу следующих веществ: WO3, BaCO3, Ra3N2.

Answer 1

Э(WO3)=184+48/6=38.5
Э(ВаСО3)=137+12+48/2=98.5
Э(Ra3N3)=226·3+14·2/6=117.5

Answer 2

Equivalent Mass of WO3

The equivalent mass of WO3 (tungsten trioxide) can be determined by calculating the molar mass and dividing it by the number of electrons transferred in a redox reaction. However, I couldn't find the specific information about the molar mass or the number of electrons transferred for WO3 in the search results.

Equivalent Mass of BaCO3

The equivalent mass of BaCO3 (barium carbonate) can be calculated by dividing its molar mass by the number of moles of electrons transferred in a redox reaction. Unfortunately, I couldn't find the exact molar mass or the number of moles of electrons transferred for BaCO3 in the search results.

Equivalent Mass of Ra3N2

The equivalent mass of Ra3N2 (radium nitride) can be determined by dividing its molar mass by the number of moles of electrons transferred in a redox reaction. However, I couldn't find the specific molar mass or the number of moles of electrons transferred for Ra3N2 in the search results.

I apologize for not being able to provide the exact equivalent masses for these substances. It's important to note that the equivalent mass depends on the specific reaction and the number of moles of electrons transferred. If you have any additional information or context about the reactions involving these substances, I would be happy to assist you further.