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...
What is the molar mass of air? What is the molar mass of Na2SO4? What is the molar mass of KMnO4? What is the molar mass of CaCO3? What is the molar mass of magnesium sulphate? What is the mass of 2.21 mol of Na2S? If 4.05 x 10^23 molecules of a substance have a mass of...
Molality of a solution is defined as the moles of solute per kilogram of solvent. If the molality of the solution and the mass of solvent is known the moles of solute can be determined. The molar mass of the solute can be calculated from the mol...
What is the molar mass of a gas or vapours under N.T.P. conditions? Video Solution | ShareSave Answer Step by step video & image solution for What is the molar mass of a gas or vapours under N.T.P. conditions? by Chemistry experts to help you in doubts & scoring excellent marks in...
What is the molar mass of a compound if 0.372 mole of it has a mass of 152g?A.2.44 ×10 -3B.56.544C.408.602D.uncertainty的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题
What is the molar mass of Barium? Atomic Mass and Molar Mass The periodic table lists the atomic mass and molar mass of each element. The values are the same, but their units are different. Atomic mass has the units atomic-mass-units, or AMU. Molar mass is the mass of one mole of ...
What is the molar mass of copper II sulfate? Copper(II) Sulfate: The formula for copper(II) sulfate is CuSO4. When five water molecules are physically attached to copper(II) sulfate, it is a blue crystal. Anhydrous (no attached water molecules) copper(II) sulfate is a white crystal. ...
molar mass is also possible with a compound molecule. Water is a molecule that has two hydrogen and one oxygen atoms stuck together. Adding all of their mass numbers together gives us the mass of one molecule of water. This number is equivalent to the mass in grams of one mole of water...
- Since we have 100 g of oleum, and we need to find the mass of SO3:mass of SO3=100 g−mass of H2SO4 4. Calculate the Moles of Water: - The amount of water needed to react with SO3 can be calculated. The molar mass of water H2O is 18 g/mol. - The amount of water ...
The concentration of pollutants in the air is a health concern. 1 Amount Overall quantity regardless of concentration. The amount of sugar in the jar was enough for several batches of cookies. 1 Concentration In chemistry, concentration is the abundance of a constituent divided by the total volum...