One mole is equal to how many grams? Its avogadros number which is 6.02 X 10^23 g/mol In Avogadros number is defined as the number of particles in? A mole. Do avogadros number have anything to do with mass and velocity of atoms?
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 ...
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 ...
A mass of 135 g of an element is known to contain {eq}30.1 \times 10^{23} {/eq} atoms. What is the element?Molar massMolar mass is a property of any substance. It is defined as the quotient of the mass and the amount of substance in a given ...
What is a mole in chemistry quizlet? The mole isthe amount of substance that contains as many particles (molecules, ions or atoms) as there are in 12g of carbon. This number has been found to be 6.02 x 10^23. Molar Mass (M) Numerically equal to the relative molecular mass of each ...
Today, a mole isAvogadro's numberof particles, which is exactly 6.02214076×1023. For all practical purposes, the mass of one mole of a compound in grams is approximately equal to the mass of one molecule of the compound in daltons. ...
The solution is made with a solute that has a molar mass equal to 338 g/mol. What is the molarity of the solution? The molality of an unknown aqueous solution was found to be 3.50 m. What is the mole fraction of water in this solution? An aqueous...
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...
The sum of the oxidation numbers in a compound is equal to what? (a) The charge of the anion (b) Cannot be determined (c) 0 (d) The charge of the cation What is the ionic charge on the metal atom in FeCL_3? Explain. What are the oxidation numbers for each...
Valency is the combining capacity of the elements to form compounds. During the formation of the molecules of the compounds, atoms combine in certain fixed proportions. Visit BYJUS to learn more about it.