The molar mass of a substance is the mass of one mole of that substance. What is the unit of molar mass? A. g/mol B. mol/g C. L/mol D. mol/L 相关知识点: 试题来源: 解析 A。本题考查摩尔质量的单位。摩尔质量是指单位物质的量的物质所具有的质量,单位是克每摩尔(g/mol)。选项 B...
The molar mass M of oxygen is 0.0320 kg/mol. What is the root-mean-square speed v rms at 300 K? A. 48.3m/s B. 483m/s C. 483km/h 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: B 复制 纠错 举一反三 对于已生效的预算数...
【解析】molar mass摩尔质量:0.88g/0.02mol=44g/molChemical formula求化学方程式,楼主你没给完整帮不到你。如果满意,请采纳,有任何疑问也欢迎提问,谢谢。相关推荐 1【题目】The mass of 0.02mol of a substanceis 0.88g1.what is the molar mass of this substance?2.what is its chemical formula?求答案及...
The molar mass M of oxygen is 0.0320 kg/mol. What is the most probable speed v P at 300 K? A. 395km/h B. 39.5m/s C. 395m/s 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: C 复制 纠错 举一反三 烈士公园南门前往芙蓉路立...
1化学molar mass 1.find the molar mass of the following (hint use the periodic table)-H -CL2 -Br -N2O4 -Na2S -NH3O -K2So2.calculate how many moles you would have in the following-10gH -50gCL2 -100gBr - 20gNa2s3.calculate the mass of -2molH -5mplNa2S -3.5molNH3O -1.75molK2...
What is the molar mass of NaOH? What is the molar mass of methane? What is the mass of a mole of Ca(OH)2? What is molar mass and how do you get the mass? What is the molar mass of C2H6? What is the molar mass of trinitrotoluene(TNT), C7H5(NO2)3?
Molar mass is the sum of the masses of all the individual atoms present in a molecule or compound. The chemical formula of ammonia is NH3. The atomic mass of Nitrogen N is 14 u. The atomic mass of hydrogen H is 1 u. Molar mass of ammonia (NH3) = (Atomic mass of nitrogen) x 1...
What is the molar mass of sucrose? Calculating the Molar Mass of a Compound: In order to calculate the molar mass of any compound, we only need to know what elements are contained in the compound and what the molar mass of the elements are. ...
What is the molar mass of hydrochloric acid? How many moles of sodium hydroxide are required to neutralize 0.4 moles of nitric acid? Calculate the molarity of nitric acid when 30.4 ml of a nitric acid solution was titrated with 17.8 ml of 1.5 molar KOH. ...
The molar mass of a reference substance A is 500g/mol, and it is used to calibrate the B solution of 0.1mol/L. The calibration reaction is set as: A+2B==P, and the weighing quantity of the reference substance is ( ) A. 0.1 ~ 0.2g B. 0.2-0.5g C. 0.5 ~ 1.0g D. 1.0 ...