Determine the empirical formula for the given compound
A chemist finds that 90.00 grams of an unknown compound contains 32.76 grams of manganese, 19.08 grams of sulfur, and 38.16 grams of oxygen. Find the empirical formula for this compound.
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Calculate the equilibrium constant Ka, for the ionization of formic acid in aqueous solution at 25 degrees celsius. delta G^0=21.3 kJ at 25 degrees celsius
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