1. .50 ml of a solution are diluted to a volume of 100 ml. The concentration of the diluted solution is 2 M. What was the concentration of the original solution? 4. .500 ml of a 5 M solution are diluted to 2 L. what is the concentration of the resulting solution?

6. Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated:
A. 12 M HC1 to prepare 400. mL of 6.0 MHC1
B. 16 M HNO3 to prepare 100. mL of 2.5 M HNO3

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Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

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