Question: Find the mass in grams of : 5.24 x 10^-13 mol C20H42

can someone give me a step by step of this? all i really understand is the molar mass (my professor wants us to round the mass to the nearest whole number so: 282) what do I do after that? I am very lost

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

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Can you me with this i really appreciate it