More Challenging Questions
These questions require more thought and integrate several concepts.
What are the empirical formulas of these compounds?
(a) A hydrate of Fe(III) thiocyanate, Fe(SCN)3, that contains 19.0% water
(b) A mineral hydrate of zinc sulfate that contains 43.86% water
(c) A sodium aluminum silicate hydrate that contains 12.10% Na, 14.19% Al, 22.14% Si, 42.09% O, and 9.48% H2O
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