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...
This means that it is used to block pain receptors as well as decrease swelling at the site of injuries.Answer and Explanation: The molar mass of aspirin with a chemical formula of C9 H8 O4 is 180.157 g/mol. Some references give different masses ranging from 180.1742 g/mol to...Become a...
Molar mass is the mass of one mole of a substance. A mole is defined as the number of atoms in 12 grams of thecarbon-12isotope. This is always a fixed number, known as Avogadro's number. Therefore, the molar mass of a substance is the mass of Avogadro's number molecules of that s...
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
【解析】molar mass摩尔质量:0.88g/0.02mol=44g/molChemical formula求化学方程式,楼主你没给完整帮不到你。如果满意,请采纳,有任何疑问也欢迎提问,谢谢。相关推荐 1【题目】The mass of 0.02mol of a substanceis 0.88g1.what is the molar mass of this substance?2.what is its chemical formula?求答案及...
An aqueous solution that is30.0%NaOH by mass has a density of1.33gmL−1.What is the molarity of NaOH in this solution? View Solution A sample of a gas at100∘Cand 0.80 atm pressure has a density of 1.15 gL−1. What is the molecular weight of the gas?
Determine the molar mass of a gas that moves 1.17 times fast as CO2. What is the molar mass of a gas which occupies 40.3 L at 133 C under 700 torr of pressure and has a mass of 24.3 grams? Which one of these STP...
What is the empirical formula of a) as shown below? What is a condensed structural formula? The molecular formula mass of the compound CH2O is 120 amu. What are the subscripts in the actual molecular formula? Given that the molecular mass of a compound is 360 g/mol, and that it has an...
What is the molar mass of gas that, at STP, has a volume of 100ml and a mass of 0.125g? Molar Mass of a Gas: We are familiar with the pressure (P), volume (V), temperature (T), and number of moles (n) of gas in the Ideal Gas Law equation but ...
What is formula for mass? One way to calculate mass:Mass = volume × density. Weight is the measure of the gravitational force acting on a mass. The SI unit of mass is "kilogram". What is another name for molar mass? The molecular weightis commonly used as a synonym of molar mass, ...