Posted by NeeNee on Thursday, March 10, 2011 at 11:45am.
5% NaCl w/v means 5 g NaCl/100 mL soln.
So for 250 mL soln you will need
5g x (250/100) = ??
You can look at it another way.
(grams/mL)*100 = %
(X/250)*100 = 5
Solve for X.
Related Questions
chemistry - how many grams of sodium chloride do you need to prepare 250 mL of a...
La Salle - How many grams of sodium chloride do you need to prepare 250 mL of a ...
chemistry. - How many grams of sodium chloride are there in 55.00 Ml of a 1.90 M...
chemistry - How many grams of sodium chloride are needed to prepare 250 mL of a ...
chemistry - How many grams of sodium chloride, NaCl (fw 58.44), are required to ...
science - Q4.you will be asked to prepare 25.0 mL of a 0.019 M solution of ...
CHEM: - caluclate the volume in mL of 1.74 grams of sodium chloride from a 0.270...
chemistry - I need a formula for: 0.5 grams of sodium chloride is dissolved to ...
chem 1 - if 58.44 g of sodium chloride is dissolved in 0.5 liter of water what ...
chemistry - What volume of 9.54M sodium chloride solution must be added to the ...
For Further Reading
