the chemical formula for waterTeacher: What the chemical formula for water is the ? Blonde: "HIJKLMNO"!! Teacher: What are you talking about? Blonde: Yesterday you said its H to O! 水的分子式老师：水的分子式是什么？ 花瓶：HIJKLMNO！！ 老师：你在说什么？ 花瓶：昨天你不是说H to O吗？