A mass of 0.1156g of a substance that is composed of carbon,hydrogen and nitrogen is reacted with oxygen.Carbon dioxide(0.1638g) and water (0.1676g) are prodeced with all of the original carbon converted to CO2.Determine the original mass of carbon present in the 0.1156g sample.
人气:446 ℃ 时间:2020-04-07 23:33:24
解答
0.1156g含C,H,N的某物质在氧气中燃烧生成0.1638gCO2和0.1676gH2O,C全部转化成CO2,问0.1156g样品中碳元素的质量.
解答很简单,C全部转化成CO2,从CO2质量就能推出C质量
m(C)=0.1638/44*12=0.04467
推荐
- Explain how to make 5L of 0.15M acetic acid-sodium acetate buffer at pH 5.00 if you have 1.00 Molar acetic acid and crys
- Haemoglobin (Hb) is the protein that transports oxygen in mammals.Hb is 0.342% Fe by mass and each Hb molecule contains
- The specific heat capacity of silver is 0.24 J/°C·g.
- 英文的化学题,= =,
- 谁能用英文帮我回答这道化学题?
- 1.有一只玻璃瓶,它的质量为0.1kg,当瓶内装满水时,瓶和水的总质量为0.4kg,用此瓶装金属颗粒若干,瓶和金属颗粒的总质量为0.8kg,若在装金属颗粒的瓶中再装满水时,瓶.金属颗粒和水的总质量为0.9kg,求金属颗粒的质量和密度.
- 一道深刻而困难的应用题
- 意思是什么也没想 什么也没考虑的成语
猜你喜欢
- 已知关于x的方程(x-m)/2=x+m/3与(2x+1)/3=3x-2的解互为倒数,求m的值
- 太阳为什么可以发出强烈的光
- make sure of sth.怎么翻译
- “有什么作用”和写作方法有什么区别
- 如果a大于0,b小于0,那么ab( )0 b分之a( )0 若a小于0,b小于0,则ab( )0?b分之a( )0
- 效应T细胞分泌的抗体是怎样进入发炎部位的
- 已知△ADE∽△DEF,诺△ABC的三边长分别为5cm,6cm,7cm,而△DEF中的一边长为4cm,你能求出△DEF的另外两边的
- 订书机是不省力也不费力的杠杆吗