De or het bladmassa?

The correct Dutch article is:

de bladmassa

How to use bladmassa

the bladmassade bladmassa
this bladmassadeze bladmassa
that bladmassadie bladmassa
our bladmassaonze bladmassa
your bladmassajouw bladmassa
every bladmassaelke bladmassa
which bladmassa?welke bladmassa?
a big bladmassa / the big bladmassaeen grote bladmassa, de grote bladmassa