Question

What is the STP of `H_2` in chemistry?

Answer 1

As far as I l know `STP` specifies `273.15*K`, and a pressure of `1` `atm.`

Explanation:

See this site.

Under the given condtions, `1` `mol` dihydrogen gas would have a volume of `22.41*L` at `STP`. What is the mass of this quantity of `H_2`?