Question:

In 1987 the first substance to act as a superconductor at a

Last updated: 7/27/2022

In 1987 the first substance to act as a superconductor at a

In 1987 the first substance to act as a superconductor at a temperature above that of liquid nitrogen (77 K) was discovered. The approximate formula of this substance is YBa2Cu3O7. Calculate the percent composition by mass of this material.