👤

Sagot :

Réponse:

C=0,25mol/l

n=0,06mol

m=23,52g

Explications:

c1v=c2v/2

C1=C2/2=0,5/2=0,25mol/l

n=cv=0,25×0,25=0,06mol

n=m/M

m=n×M=0,06×392,1=23,52g

© 2024 IDNLearn. All rights reserved.