Chemistry, asked by shreyash1505, 11 months ago

please solve it
I mark you as brainlister

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Answered by abhay6122

3

Explanation:

N=30

Ni(inital)=100

t=7200s

log0.3=-lambada×7200

log of 0.3= -0.5229

0.5229/7200= lam

lam=7.2×10^-5

half life = 0.693/7.2×10^-5

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