Breakdown of Du har väl packat utrustningen?
du
you (singular)
ha
to have
packa
to pack
utrustningen
the equipment
Questions & Answers about Du har väl packat utrustningen?
How does the word väl change the meaning of this sentence?
The word väl is a modal particle that shows you are asking for confirmation. By adding it, you change a simple statement into an assumption, turning 'You have packed the equipment' into 'You have packed the equipment, right?' or '..., haven't you?'.
Why is väl placed between har and packat?
In Swedish main clauses, modal particles like väl follow the exact same word order rules as sentence adverbs like inte (not). They are placed right after the first, conjugated verb (har) and before the second verb (packat).
Could I just say Har du packat utrustningen? instead?
Yes, but it completely changes the tone. Har du packat utrustningen? is a neutral question meaning 'Have you packed the equipment?'. Starting with Du har and adding väl shows that you fully expect the answer to be yes, almost like a polite reminder.
Why does utrustningen end in -en?
The base word for 'equipment' is an en-word: en utrustning. To say 'the equipment', you add the definite ending -en to make it utrustningen. Notice that while 'equipment' is usually an uncountable concept in English without 'the', Swedish treats it like a regular countable noun.