In a zero-order reaction, if the rate constant k is 5 mol/L/s, how long will it

In a zero-order reaction, if the rate constant k is 5 mol/L/s, how long will it take for the concentration to decrease from 2 mol/L to 0 mol/L?

In a zero-order reaction, if the rate constant k is 5 mol/L/s, how long will it take for the concentration to decrease from 2 mol/L to 0 mol/L?

Step 1: Identify the initial concentration, which is 2 mol/L.
Step 2: Identify the final concentration, which is 0 mol/L.
Step 3: Identify the rate constant k, which is 5 mol/L/s.
Step 4: Use the formula for time in a zero-order reaction: time = (initial concentration - final concentration) / k.
Step 5: Substitute the values into the formula: time = (2 mol/L - 0 mol/L) / 5 mol/L/s.
Step 6: Calculate the difference in concentration: 2 - 0 = 2 mol/L.
Step 7: Divide the difference by the rate constant: 2 mol/L / 5 mol/L/s = 0.4 s.
Step 8: Conclude that it will take 0.4 seconds for the concentration to decrease from 2 mol/L to 0 mol/L.

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