Question

Un amestec ce contine 20 de litri hidrogen si 10 litri oxigen are densitatea egala cu :

a)0,557g/ml
b)0,5357 g/l
c)1,133g/l
d)1,183g/ml ?

Answer 1

q = m/V = (m1 +m2)/(V1+V2) =(n1·M1 + n2·M2)/(V1+V2)
q = (V1·M1 +V2·M2)[Vm(V1+V2)] = (20·2+10·32)/[22,4·30] = 0,5357g/l