The inactivation rate of a viral preparation is proportional to the amount of virus. In the first minute after preparation, 10% of the virus is inactivated. The rate constant for viral inactivation is

Question

The inactivation rate of a viral preparation is proportional to the amount of virus. In the first minute after preparation, 10% of the virus is inactivated. The rate constant for viral inactivation is . (Nearest integer)

[Use: ; ; property of logarithm: ]

Canvas Classes · Accepted Answer

Rate proportional to amount → first order kinetics.

10% inactivated in 1 min → 90% remains:

Answer: 106

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