设有m克
(m/30)*1比(m/46)*2
即23比30
等质量的NO与No2所含氧原子的个数比 是多少,怎么求
等质量的NO与No2所含氧原子的个数比 是多少,怎么求
化学人气:962 ℃时间:2020-07-18 07:10:55
优质解答
我来回答
类似推荐
猜你喜欢
- 1函数f(x)=13ax3+12ax2−2ax+2a+1的图象经过四个象限,则实数a的取值范围是( ) A.a>−316 B.−65<a<−316 C.a>−65 D.−65≤a≤−316
- 2在25℃的常温中用电热水壶烧开一壶水(水温达到100℃)用了5分钟,烧水过程中水温(y)可以看成时间(x)的一次函数,又过了1分钟,壶中水温开始近似于反比例关系下降.
- 3已知f(x)=2+log3x(1≤x≤9),则函数g(x)=f^2(x)+f(x^2)的最值为________.
- 4已知集合A={x|1/3≤x≤3},不等式ax^2-3x+3>0的解集为B.若A∩B≠空集,求实数a的取值范围.
- 5China is a large country.It has more than __ __,__ __ __(13亿)people.
- 6Wei Hua is in Row Three.(对划线部分提问)
- 7若a,b,c为三角形ABC的三条边,试化简/a+b-c/+/b-c-a/-/c-a-b/谢谢了,
- 8I will work everything out somehow some way.I have to say this to you again,I hope you don't mind,I believe you are the
- 9小学五年级下册数学口算题60道,帮帮忙今天就要!
- 10The traffic lights are the same in every country为什么用the same