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valiafurch
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Ca - ca(oh)2 - caco3 - ca(hco3)2 - cabr2 - caso4

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AndrewLoveRem
AndrewLoveRem
4,4(42 оценок)
1) ca+2h2o=> ca(oh)2+h2 2) ca(oh)2+na2co3=> 2naoh+caco3 3)сaco3+co2+h2o=> ca(hco3)2 4)ca(hco3)2+hbr=> cabr2+2co2+2h2o 5)cabr2+h2so4=> caso4+2hbr это всё, сделано с расстановкой коэффициентов.
samira124
samira124
4,6(74 оценок)

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