2 years ago

Hydrogen + Chlorine Dot Structur

Biology

1 answer:

Finger [1]2 years ago

5 0

I think this is what you are referring to.

Hope this helps.

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Explanation:

Mass of the isotope present at initial stage = $N_o=200 g$

The mass of the parent isotope left after the time ,t=N

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The half life of the sample : $t_{\frac{1}{2}}$

$N=N_o\times e^{-\lambda t}$

$\lambda =\frac{0.693}{t_{\frac{1}{2}}}$

$\ln[N]=ln[N^o]-\frac{0.693}{t_{\frac{1}{2}}}\times t_{\frac{1}{2}}$

$2=\frac{[N_o]}{[N]}$

$[N]=\frac{N_o}{2}=\frac{200 g}{2}=100 g$

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