If anyone help me can help me solve these Chemistry problems would be great!?

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03-12-2008, 02:24 PM

evita.12rocks

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If anyone help me can help me solve these Chemistry problems would be great!?

Here is the question:

1.) a compound is found to contain 36.48% Na, 25.41% S, and 38.11% O. Find its empirical formula.

2.) Find the empiricial formula of a compound that contains 53.70% iron and 46.30% sulfur.

3.) Analysis of a comound indicates that it contains 1.04g K, 0.70g Cr, and 0.86g O. Find its empiricial formula.

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