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19-11-2017
Chemistry

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I need help with my chemistry hw so please answer my questions

I need help with my chemistry hw so please answer my questions class=

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KnowItAllCat KnowItAllCat

19-11-2017

Element B is present in sample one.
Element A and D are present in sample two.
Sample three contains element C.
Sample four contains elements A, B, and C

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