In the presence of excess thiocyanate ion, SCN, the following reaction is first order in chromium(III) ion,
Question:
Cr3+(aq) + SCN(aq) → Cr(SCN)2+(aq)
What is the half-life in hours? How many hours would be required for the initial concentration of Cr3+ to decrease to each of the following values: 25.0% left, 12.5% left, 6.25% left, 3.125% left?
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For a firstorder reaction divide 0693 by the rate constant to find the halflife t ...View the full answer
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