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Chemistry 9 Online
OpenStudy (anonymous):

a 5.49g sample of iron(iii) chloride hydrate was found to contain 2.20g of water. what is the complete formula of the hydrate?

OpenStudy (anonymous):

1. Find % by mass of the compound that is water 2. Using that % you can find out how much of a mole of such compound is water 3. Based on that you can use fractions to formulate the formula!

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