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 ...
37. What happens when one mole of ethane is mixed in the dark at room temperature with six moles of chlor ine gas? A. There is no reaction. B. Only C2Cs are formed. C. C2Cls and HCI are formed. D. CH3CH2CI and HCI are formed. 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
How many grams of the compound are in 0.117 mole of CHCl_3? What is the mass of one mole of co2? What is the mass in grams of one mole of sulfur dioxide (so2)? What is H2C2O4's molar mass? What is the molar mass of NaOH?
What is the formula of the compound formed from the cation NH4+ and the anion ClO3-? What is the formula of the compound formed from the cation NH4+ and the anion OH-? What is the formula of the compound formed from the cation Pb4+...
What is the enthalpy change if 25.0 g of methane is burned? 890 kJ of heat is released for every mole of methane that reacts. CH4 + 2O2 = CO2 + 2H2O Calculate the enthalpy change for the combustion of one mole o acetylene, C_2 H_2, to form carbon dioxi...
Mole (Chemistry) (TerminologyTerms and phrases (EvaluationJeannin, YvesMills, Ian MInternationalunionofpureandappliedchemistryJeannin Y 2010 A fixed Avogadro constant or a fixed carbon-12 molar mass: which one to choose? Chem. Int. 32 (January-February) 8-10...
[转]What If..[What if]第4期——1摩尔的鼹鼠原作: http://what-if.xkcd.com/4/翻译:Ent如果收集一摩尔的鼹鼠,全部放在一个地方,会发生什么呢(#英文里摩尔和鼹鼠都是mole这个
Molar Mass Molar mass is the mass of one mole of a substance. We determine the molar masses from values on the periodic table. Answer and Explanation: Before we can sum all of the molar mass of the elements in acetic acid we need the chemical formula of acetic acid. Acetic acid's chem...
The atomic mass of Sodium $=11+12=23$ Hence, 1 mole of Sodium weighs 23 grams.We know,Since the atomic mass of Sodium is 23, we can also write it as 23 g/mol.Therefore, we conclude that Option B is the correct answer.Additional Information:The ato...
Number of moles of H2=3 moles Conclusion:Thus, the number of moles of H2(g) required to saturate one mole of benzene is 3 moles. --- Show More | ShareSave Class 12CHEMISTRYBASIC CONCEPTS OF CHEMISTRY, ATOMIC STRUCTURE Topper's Solved these Questions ACIDS , BASES AND SALTS OXIDATION AND...