Chemical formula for vinegar. Vinegar is composed of about 5% acetic acid. This is the major chemical component of vinegar. The systematic or proper chemical name of acetic acid is ethanoic acid. Vinegar is a weak acid produced by the oxidation of alcohol (ethanol) from wines and ciders by bacteria. It has a pleasant sour taste and is used in cooking or as a condiment.
Although he fights Aizen numerous times (minor battles), this time all of the characters in Bleach are losing terribly, but the last time he fights (battles) Aizen is episodes 309 and 310. The whole battle ranges from episodes 308 - 309. 310 is where the arc finishes off and the Aizen vs Ichigo ends nicely.
Ichigo's Confusion! from the show Bleach is the 5th episode of the anime series' 16th season. After Ichigo goes home to start a normal life, Chad trys to get him to accept Xcution's offer of power. In town, Ichigo runs into Ishida's attacker and chases after him but runs into his sister, Yuzu Kurosak..8. Ichigo learns how to use his Fullbring while his friends, Chad and Orihime, take on Tsukishima at school. Ichigo decides it's finally time to train, and his bored companions head to school. Along the way, they discover that Tsukishima is plotting to steal the Fullbring to prevent Ichigo's powers from coming back.