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 mass of(a)6x1023 atoms of O(b)6x1023atoms of O2(c)one mole of carbon dioxide,CO2(d)two mole of silver,Ag(e)0.2 moles of silver,Ag 相关知识点: 试题来源: 解析 a)6x1023即是1mol,即1mol原子的氧元素.质量为16×1=16gb)1mol氧原子的氧气质量为 16×1=16gc)1mol的CO2 ...
Hence, 1 mole of Sodium weighs 23 grams.We know,Since the atomic mass of Sodium is 23, we can also write it as 23 g/mol.Therefore, we conclude that Option B is the correct answer.Additional Information:The atomic number of a chemical element is the n...
Molar mass is the mass of Avogadro's number of atoms of that element or compound. Avogadro's number is 6.02 x 1023 and can be used to represent the number of representative particles of any particle on the atomic scale. The molar masses of the elements are listed on the periodic table....
number. One mole is equal to 6.02 X 10^23. A gram is a unit of mass. One mole of something can weigh 1 gram or 1,000,000 grams, but that mole will be a countable number equal to 6.02 X 10^23. https://study.com/academy/lesson/avogardos-number-using-the-mole-to-count-atoms....
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 the element, which is the mass of Avogadro's number of atoms of the ...
Since the beginning of time, human beings have sought to understand what the universe and everything within it is made up of. And while ancient magi and philosophers conceived of a world composed of four or five elements – earth, air, water, fire (and m
All atoms are made from the same bits, which are called subatomic particles ("sub" means smaller than and these are particles smaller than atoms). So if you chopped up an atom of iron, and put the bits into a pile, and then chopped up an atom of gold, and put those bits into a ...
The molar mass or atomic mass of a substance is known as the quotient of the number of grams to the total number of moles and is measured in grams per mole or AMU (atomic mass unit). The general mathematical formula for the averag...
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.