Chemistry 2710 Spring 2000 Quiz 3

Name:

Indium (I) chloride dissolves quickly in dilute acid. The following reaction then occurs:

The reaction is known to obey a first-order rate law. The concentration of indium (I) ions varies with time as follows:

1. Confirm that the reaction obeys a first-order rate law.
2. Obtain the rate constant for the process.
3. The total volume of the solution is 0.4L. What mass of indium metal is formed in 15min? The molar mass of indium is 114.82g/mol.