Question
You need to make a 150mM solution of NaCl (MW = 58).
How much NaCl do you need to make 1L (in moles and in grams)?
If you b need to make 250mL how much NaCl would you need in grams?
How much NaCl do you need to make 1L (in moles and in grams)?
If you b need to make 250mL how much NaCl would you need in grams?
Answers
bobpursley
Molarity=(mass/molmass) / volume in liters
massNaCl=Molarity*molmass*volumeinliters
massNaCl=Molarity*molmass*volumeinliters