Mass of Oxygen: STP is the standard temperature(273K) and pressure(1atm).At STP, the volume of 1mol of an ideal gas is 22.4L. Oxygen is a diatomic gas. The mass of 1 mole of Oxygen is 32g. Answer and Explanation: Consider oxygen as an ideal gas. So, the molar volume of o...
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...
One mole of silicon has a mass of 28.1 g, and one mole of oxygen has a mass of 16.0 g. What is the mass of one mole of silicon dioxide? Molar Mass: The molar mass pertains to the mass of one mole of a substance. ...
If one mole of nitrogen molecules weighs28g, calculate the mass of one molecule of nitrogen in grams. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep,...
百度试题 结果1 题目The mass of one mole of any substance in grams is its molar mass.相关知识点: 试题来源: 解析 正确 反馈 收藏
If the mass of an electron is 9×10−28 grams weight of one mole of electron is View Solution The amount of electric charge on one mole of electrons is ___. View Solution If a mole was to contain 1.0×1024 particles, the mass of one mole of oxygen is: View Solution DINESH PUBLI...
El mass spectra of α-iodoalkanoic acids (C = 12,14,16,18)—unusual fragmentation by loss of one iodine atom and two water moleculesdoi:10.1002/oms.1210211110Shaw-Tao LinDepartment of Applied Chemistry, Providence College, Taichung, Taiwan 40211, R.O.C.Chang-Chin Kwan...
The molar mass of the metal from the given mass of metal oxide has to be calculated. Concept introduction: Molar mass : The mass of one mole of substance in grams is known as molar mass. The formula to calculate molar mass is as follows Molar ...
according to the equation and their mole ratio see which one is in excess. i'll show you by Q.23. Q. 23 no. of mole of Mg = mass / molar mass = 4.00/24.3 = 0.1646 mole no. of mole of oxygen = mass / molar mass = 3.2/(16x2) = 0.1 mole mole ratio of...
Some oxygen gas has a volume of 41.0 L under a pressure of 245 kPa and a temperature of 279 K. What is the mass of the gas? At STP a sample of gas with a mass of 26.9 grams occupies 14.9 L. What is the molar mass of this gas?