Химия, 8 класс
Дано:
m(KOH)=112г
w%(KOH)=10%(или 0.1)
Найти:
m(H2SO4)-?
Решение:
Хим. уравнение: 2KOH + H2SO4 = K2SO4 + 2H20 (реакция обмена)
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