一种新型的甜味剂木糖醇(C5H12O5)悄悄地走入我们的生活。求:;k+O3u)l.V4J5N*\*e2z5n(a(f0C
(1)木糖醇的相对分子质量9}(@4P(n;;k+O3u)l.V4J5N*\*e2z5n(a(f0C
(2)木糖醇中碳元素的质量分数+p6f*R7a'W9L6b;u'S)}8|4h)Q。;k+O3u)l.V4J5N*\*e2z5n(a(f0C