What is the mass of(a)6x1023 atoms of O(b)6x1023atoms of O2(c)one mole of carbon dioxide,CO2(d)two mole of silver,Ag(e)0.2 moles of silver,Ag 相关知识点: 试题来源: 解析 a)6x1023即是1mol,即1mol原子的氧元素.质量为16×1=16gb)1mol氧原子的氧气质量为 16×1=16gc)1mol的CO2 ...
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 ...
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
How much does one sucrose molecule weigh in grams? What is the molar mass of ch3o? What is SO3's molar mass? What is molar mass? Sugar's chemical formula is C12H22O11. What is the mass of one mole of sugar? What is the molar mass of Al(NO3)3?
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...
What is the heat of combustion of ethane,C_2H_6, in kilojoules per mole of ethane? Explain. Which of the following is a valid combustion reaction? A.\ C_2H_4 + O_2 \rightarrow 2C + 2H_2O\B.\ Mg + H_2O \rightarrow MgO + H_2\C.\ N_2 + 2O_2 \rightarrow 2NO_2\D...
What is the hybridization of carbon in CO2? What is the hybridization of carbon in CH4? What is the hybridization of N? What is the hybridization around the 2nd C on the right? What is the hybridization of Br in BrF5? What is the hybridization of both carbons in C=CH 2 ?
Mole removal is a simple kind of surgery. Normally your doctor will do it in their office, clinic, or a hospital outpatient center. They’ll likely choose one of two ways: Surgical excision. Your doctor will numb the area. They’ll use a scalpel or a sharp, circular blade to cut out...
The rest is 0,78 l nitrogen and 0,02 l other Gases, like CO2, noble Gases, etc. Logged yingyang New Member Posts: 7 Mole Snacks: +0/-0 Re: What does percent by volume of "GAS" really mean? « Reply #2 on: January 15, 2024, 12:04:47 PM » So, O2 that is in ...