Ответ:
2cr+2naoh+6h2o=2nacr(oh)4+3h2
2cr 0 +2na++2oh-+6h2o=2na+ +cr(oh4)- +3h2 0
2cr 0 + 2oh- +6h2o =cr(oh)4- + 3h2 0
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Ответ:
2cr+2naoh+6h2o=2nacr(oh)4+3h2
2cr 0 +2na++2oh-+6h2o=2na+ +cr(oh4)- +3h2 0
2cr 0 + 2oh- +6h2o =cr(oh)4- + 3h2 0