萱萱同学最近在超市发现许多“木糖”食品,像木糖黑麻糕点、木糖绿茶糕点等。买了一瓶口香糖也标明是:木糖醇口香糖,妈妈告诉她食用木糖醇可以保护牙齿。萱萱同学对此产生浓厚兴趣,她想全面认识一下木糖醇,并且提出了探究方案:一、需要解决的疑问1.木糖醇有哪些物理性质?2.木糖醇由哪些元素组成?化学式是什么? Xuan Xuan students recently found in the supermarket many “xylose ” foods, such as xylose black cakes, xylose green tea cakes and so on. Bought a bottle of chewing gum is also marked as: xylitol chewing gum, her mother told her to eat xylitol can protect the teeth. Xuan Xuan students have a keen interest in this, she wanted a comprehensive understanding of xylitol, and proposed to explore the program: First, the questions to be solved 1. What are the physical properties of xylitol? 2. What elements of xylitol? What is the chemical formula?