Chemistry, 02.02.2020 19:46, alexisbarry2398
Nitrogen has a half life of 10 days. if you have a 75 gram sample how much is remaining after 20 days ?
Answers: 3
Nitrogen has a half life of 10 days. if you have a 75 gram sample how much is remaining after 20 day...
English, 19.07.2019 23:00
English, 19.07.2019 23:00