Element Y is composed of 60.40% of atoms with a mass of 68.90 amu each and 39.60% of atoms with a mass of 70.90 amu each. Calculate the atomic weight of element Y ( show your solutions)
sycopogi123
Asked:
January 2023
1. A gas tank contains 280.0 grams of nitrogen and 20.00 grams of neon at a the total pressure of 7.00 atmospheres. Calculate the following. a) How many moles of nitrogen are in the tank? b) How many moles of neon is in the tank? c) Total moles of...
sycopogi123
Asked:
December 2022
Nicotine is a compound obtained from tobacco and is believed to be responsible for many harmful effects of cigarettes. Nicotine containers 74.03% C, 8.70% H, and 17.27% N. What is its empirical formula