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Elements and Compounds

A hydrated salt contains 49.42 of water 28.26 of calcium and 32.42 of chlorine deduced the formalar of this salt cal40 cl355 h2o 18 in chemistry topic elemenT?

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January 10, 2008 11:42PM

hey i was just wondering what the factors of 42 'cause i doing my homework and it hard 'cause i tired and can't stany a wake so please help me