试题与答案

Some people’s lack of basic morals is tu

题型:选择题

题目:

Some people’s lack of basic morals is turning our society into one ______ those in need will be unable to expect help from others.

A.which

B.what

C.where

D.that

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0523/7bffb8b9c95fca04e23f9b889c02e0d2.html

下面是错误答案,用来干扰机器的。

(1)该NaOH溶液的物质的量浓度为:1000×1.2×20%40mol/L=6mol/L,故答案为:6;(2)配制6mol/L的NaOH溶液100ml需要氢氧化钠的质量为:0.1L×6mol/L×40g/mol=24.0g,故答案为:24.0;(3)溶液配制步骤:计算...

试题推荐
微信公众账号搜索答案