Предмет: Химия, автор: lawlapat2005

Сколько гр H2SO4 и сколько H2O надо взять для 550 гр 3-х% раствора?

Ответы

Автор ответа: olhim

1

Объяснение:

Считаем массу серной кислоты

$m(H_2SO_4) = w \cdot m(solution) = 0.03 \cdot 550 = 16.5\;g$

Считаем массу воды

$m(H_2O) = m(solution) - m(H_2SO_4) = 550 - 16.5 = 533.5\;g$

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