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...
Molar mass is the mass of one mole of a substance. M= mn It is normally expressed in units of g mol-1, in which case its numerical value is identical with the relative molecular mass. Citing this page: Generalic, Eni. "Molar mass."Croatian-English Chemistry Dictionary & Glossary. 29 ...
One mole of a substance has a mass （equals）_to its relative formula mass in grams, contains （identical) atoms, molecules or formula units.
百度试题 结果1 题目26. Metal M forms an oxide of formula M2O3. The mass of one mole of the oxide is152. What is the relative atomic mass of M?B A28B52C64D104 相关知识点: 试题来源: 解析 B 反馈 收藏
mass of one mole of the compound expressed in grams. For water: H 2 O Molecular mass = (2 x atomic mass of H ) + atomic mass of O = 2 ( 1.008 amu) + 16.00 amu = Mass of one molecules of water = Molar mass = ( 2 x atomic mass of H ) + atomic mass of O = 2 ( ...
mass of one mole of the compound expressed in grams. For water: H 2 O Molecular mass = (2 x atomic mass of H ) + atomic mass of O = 2 ( 1.008 amu) + 16.00 amu = Mass of one molecules of water = Molar mass = ( 2 x atomic mass of H ) + atomic mass of O = 2 ( ...
25 g of MCl(4) contains 0.5 mole chlorine then its gram molecular weig... 03:16 The mass of one mole of proton and electron is 02:41 The concentration unit, independent of temperature would be 03:30 The largest number of molecules is in: 03:57 ''Equal volume of gases under similar...
If one mole of a substance has a mass of 58.44 grams, it means that its molar mass is 58.44gmole. If we are given 1.0 grams... See full answer below.Become a member and unlock all Study Answers Start today. Try it now Create an account Ask ...
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. ...
How many moles of sucrose, C12H22O11, are in a 25-g sample of sucrose? Answer: 0.073 mol Example 7 Deriving Grams from Moles for a Compound Vitamin C is a covalent compound with the molecular formula C6H8O6. The recommended daily dietary allowance of vitamin C for children aged 4–8 ...