B19
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Hey,
I am very confused with calculations and I guess I am mixing molecular mass with molar concentration.
I just want straight answer for two questions about how to make calculations:
1. I have a liquid with molecular weight = 40 and I want to prepare 15ml of 100mM stock. It is not a powder like for example NaCl.
2. I have 50ug of lyophylized chemical and molecular weight = 500 and I want to use it all (50ug) to prepare 500mM of stock.
Thanks a lot.
B19
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help with the basics
in Homework Help
Posted
But then this will be discussion and I don't want any discussion, but answer.