Two stable isotopes of lithium `._3^6Li` and `._3^7Li` have respective abundances of 7.
Channel: Doubtnut
Date: 2020-03-29

Two stable isotopes of lithium `._3^6Li` and `._3^7Li` have respective abundances of 7.5% and 92.5% . These isotopes have masses 6.0152 u and 7.016004 u respectively. Find the atomic weight of lithium