Question

The first-order decomposition of hydrogen peroxide has a half-life of 10.7 h at 20°C.

a. What is the rate constant (expressed in hr⁻¹) for this reaction? [x1]

Write answer to three significant figures and NO UNITS in answer.

b. If you started with a solution that was 7.5 × 10⁻³ M H₂O₂, what would be the concentration of H₂O₂ after 3.3 h? [x2]

Write answer to three significant figures and NO UNITS in answer.

Answer 1