The mass occupied by {eq}1\;\rm mole {/eq} of a substance is defined as the molar mass. The Mole is defined in such a way that the molar mass of a substance in grams per mole is numerically equal to the mass of a constituent particle of that substance expressed in the atomic mass...
What is the molar mass of CaI2? Molar Mass:The mass of a substance is directly proportional to its amount. The work 'amount' means the number of constituent particles of that substance. The mass of one mole of a substance is defined as its molar mass. Its value depends only on the ...
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 Pb(NO3)2? A hydrate of copper(II) sulfate is 25.5% copper by mass. How many water molecules are there for each unit of copper(II) sulfate? Calculate the molarity (M) of a 15% (w/v) copper sulfate solution (m.w. = 160.0 g/mol). ...
Science Chemistry Molar mass What is the molar mass of sucrose?Question: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 ...
To solve the problem, we need to find the mass of a non-volatile solute (with a molar mass of 60 g/mol) that must be dissolved in 100 g of water to decrease the vapor pressure of water by 25%. We will also calculate the molality of the resulting solution. 1. Identify the Initial...
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Jeannin Y 2010 A fixed Avogadro constant or a fixed carbon-12 molar mass: which one to choose? Chem. Int. 32 (January-February) 8-10Jeannin, Y.: A fixed Avogadro constant or a fixed carbon-12 molar mass: which one to choose? Chem. Int. 32 (1), 8–11 (2010)...
What is another name for molar mass? The molecular weightis commonly used as a synonym of molar mass, particularly for molecular compounds; however, the most authoritative sources define it differently (see Molecular mass). The formula weight is a synonym of molar mass that is frequently used ...
What is the molar mass of a compound if 0.372 mole of it has a mass of 152g? A. 2.44 ×10 -3 B. 56.544 C. 408.602 D. uncertainty 如何将EXCEL生成题库手机刷题 > 下载刷刷题APP,拍照搜索答疑 > 手机使用 分享 反馈 收藏 举报 参考答案: C 复制 纠错 举一反三 不等式与不等式组...