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August 1, 2014

Homework Help: chemistry

Posted by Dan_9 on Thursday, January 21, 2010 at 2:45am.

how do i do this \?

a 4.0mg/dl standard solution is needed. To prepare 100ml of the working standard. How much stock standard of a 1mg/ml (100mg/dl) solution is needed.

i dont understand this conceptually /

thanks

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