This is the toughest stage for Arsenal to determine if they can win the league for the season. Arsenal will be playing against tough teams in their remaining games and it is not very certain if they will win all this up coming games. The winner of the Premier league is just too unprecedented, with the points difference between arsenal and Manchester City it seems Manchester City can easily found their self to the first position because winning is something that is not too had for Manchester City.
A few more matches and their mission will complete with a happy ending. Arsenal will fully focus for next 8 matches as they don't have other things to compete, only Premier League. They will have difficult matches with some big clubs but they know that only few more challenges to pass through and get the crown.
They are aware that Manchester City will very likely to have semi finals in Champions League after beating Bayern Munich 3 - 0 at the first leg. Therefore, Arsenal will get more advantage when Manchester City spend more concentration for Champions League even they have too deep player resource. Avoid a loss in a direct match with Manchester City will be key for Arsenal to have a happy ending in this season.