Friday
April 18, 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

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - How many milliliters of a 2000.0 mg/dl stock solution are needed to ...
Chemistry - How many milliliters of a 2000.0 mg/dl stock solution are needed to ...
Chemistry/lab math - A stock standard of urea nitrogen contains 20 mg/mL of urea...
chemistry - How would you dilute a 2 mg/mL NaCl stock standard to make 100 ml of...
chemistry (Pls Bob check for me) - A 150mg/dl glucose solution was diluted 1:2. ...
chemistry (Pls Bob check for me) - A 150 mg/dl glucose solution was diluted 1:2...
statistics - mean cholesterol is 175mg/dl..standard deviation =20mg/dl assume ...
Chemistry. - hi again, thanks to the previous help i got the first part of the ...
Chemistry - You weigh out 196.07mg ferrous ammounium sulfate (FW 392.14) to ...
statistics - The cholesterol levels of young women aged 20 to 34 vary ...

Search
Members