In the lab, chemist analyzed a sample of methanol and found that it was made of 6.20 g of carbon, 4.10 g of hydrogen, and 15.90 g of oxygen. What is the percent composition of each element? Round each answer to the tenths place.

How many atoms of oxygen are contained in 160 grams of n2o3

When the volume and number of particles of a gas are constant which of the following is also constant

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