February 2019 0 212 Report
Zbilansuj rownanie reakcji:
CaH2 + H2O ---> Ca(OH)2 + H2

Ja zrobiłam to tak:
2 H minus ---> H2+ 2 elektrony
H2O + H2O + 2 elektrony---> H2+ 2OH minus

To jest dobrze?
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