Combustion of a 0.9835-g sample of a compound containing only carbon,hydrogen,and oxygen produced 1.900 g of CO2 and 1.070 g of H2O.
a.What isthe empirical formula of the compound?
人气：100 ℃ 时间：2020-04-25 18:22:28
解答
化合物中含有C的质量：1.900*(12/44)=0.5182g
化合物中含有H的质量：1.070*(2/18)=0.1189g
化合物中含有O的质量：0.9835-0.5182-0.1189=0.3464g
则：分子式中系数之比：
0.5182/12 ：0.1189/1 ：0.3464/16
=0.04318 :0.1189 :0.02165
=4：11：2
所以,经验化学式为：C4H11O2或者[C4H11O2]n
推荐
- The volume of a medium-sized grain of sand is 62 nL.If I gave you Avogadro's number
- 一道英文化学题
- Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction:
- A 1.778g sample of a component of the light petroleum distillate called naphtha is found to yield5.450g CO2(g) and 2.602
- Fluorine compounds are added to Melbourne's supplies of drinking water to give a concentration of fluoride ions of about
- please,read,roses,book,I,that,can,about怎样连词成句
- 一个长方体通风管,每根8米,横截面是边长为50厘米的正方形.做一根这样的通风管需要多少平方米的铁皮?
- 如图,已知菱形ABCD的周长为16厘米,∠ABC等于120°,求对角线BD和AC的长
猜你喜欢
