Дано:
m(H2O) = 430г.
m(Ca(OH)2) = 60г.
Решение:w = m(вещ-ва):m(р-ра)*100% w(Ca(OH)2) = 60г:431г*100% = 13,93%
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Дано:
m(H2O) = 430г.
m(Ca(OH)2) = 60г.
Решение:
w = m(вещ-ва):m(р-ра)*100%
w(Ca(OH)2) = 60г:431г*100% = 13,93%