Most likely. Usually every 10th chapter ends in a cliffhanger and the following chapter has something big in it. Fits into the published volumes better that way, since they all include 10 chapters.
kakashi still has minato's kunai. minato gave it to him during gai's fight.
OT: if ftg can work, they will show up at naruto's place in chapter 682. tomorrow chapter is too soon. the hokage will reunite first before going to naruto's place