You take 5 ml of a 1: 20 dilution of a stock protein solution into a final volume of 100 ml. you find that the final concentration of the protein is .075 mg/ml. what was the initial concentration of the stock protein solution?

What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community

Stoichiometry- i need with 14 and 15! an explanation would be appreciated!

At which temperature would a reaction with ah= -220 kj/mol and as=-0.05 kj/(mol-k) be spontaneous?