Chemistry, 27.11.2020 14:00 shantrice1831
Calculează concentrația procentuală a soluției obținute prin dizolvarea a 30 g sare în 120 g apă. *
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Calculează concentrația procentuală a soluției obținute prin dizolvarea a 30 g sare în 120 g apă. *...
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