Sunday
April 20, 2014

Homework Help: Math(Please help) Thank you

Posted by Anonymous on Tuesday, March 26, 2013 at 7:39pm.

How would you go about making 250ml of a 20X stock solution of NaCl to dilute later to a final concentration of 50mM? I know that the molecular weight of NaCl is 58.44 but I am not sure where to start. I need to figure out the amount of NaCl and water needed. Thank you!

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

English - A last question. Can you please check these sentences? 1) “Would you ...
College Math - The average urbanite walks about 2 yd per second. A) How many ...
English - {At a restaursant} For hear or to go? Is this for here or to go? It's ...
science - Describe how you would go about making 1200mL of 0.100 Molarity HNO3 ...
English - Posted by rfvv on Thursday, December 16, 2010 at 3:21am. {At a ...
Math - How would you go about making 250ml of a 20X stock solution of NaCl to ...
physics - (how do I go about solving this, i know i need to conver 88days to ...
Math - Analyzing Quadratic Functions describe how the graphs of the following ...
Psychology - Hello I to write a paper and part of the paper is asking for ...
math/algebra - I’m working at this restaurant making $30,000 a year. Another ...

Search
Members