Respuesta :

Answer:892.85moles

Explanation:

1mol= 22.4L  at stp

Therefore 20,000L = 20,000/22.4= 892.85 moles

or you use

PV= nRT

n= PV/RT= 1.00atmX 20,000l/ 0.08206atm.L/mol. k x 273k

= 892.85moles