11.04.2022

рассчитать массу концентрацию сахара весом 4,45 и воды 50 мл

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Химия

Ответ учителя по предмету Химия

50г это 100%

5г(в нём) это x%

Умножаем крестиком 50x=5*100

x=10 (%) — концентрат сахара

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