19-02-2019
Chemistry

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Hi ! Could someone help me out with this last part to my chemistry practice ? Thank you !

Hi Could someone help me out with this last part to my chemistry practice Thank you class=

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CungHoang CungHoang

19-02-2019

After 100years, sample is 250g

After 200 years, sample is 125g

After 300years, sample is 62.5 g

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