实验式一种含氮化合物经元素定量分析,得知C=71.6%,H=6.7%,N=4.9%,试计算并写出其实验式.

问题描述:

实验式
一种含氮化合物经元素定量分析,得知C=71.6%,H=6.7%,N=4.9%,试计算并写出其实验式.

CxHyNzOw
12x :14z = 71.6 :4.9
x=17z
y :14z = 6.7 :4.9
y=19z
O = 100%-71.6%-6.7%-4.9% = 16.8%
16w :14z = 16.8 :4.9
w=3z
z=1:
实验式:C17H19NO3