Acompound is found to contain 64.80% carbon. 13.62% hydrogen. and 21.58% oxygen by weight. what is the empirical formula for this compound?
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At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.